I still remember the assurances made that ads would only be text based and unintrusive
Freedom of the strongest caused reduction of the opportunities of the weakest on whom the strongest became the one.
What if we taxed advertising? https://matthewsinclair.com/blog/0177-what-if-we-taxed-adver...
Maybe it will work in the beginning until non-technical users realize that LLMs hallucinate very often (unless Google solved it somehow, but probably they didn't because they would have said so), they will lose trust in the results and go back to good old indexed search engines.
Maybe I am coping but thinking from my own experience.
It's a lot easier to mislead a user with an AI generated ad that with a Search result IMHO, I'm betting on a huige backlash if they don't make it VERY clear that ads are ads.
I always chuckle when ad companies say that. I have never seen a helpful ad in google search, but well I have been using adblockers forever so I would not know.I am honestly curious though, for those who don't use adblockers - what percentage of ads that you see are actually helpful?
Ah so my "search" results are going to be biased and at the mercy of the highest bidder.
Only a matter of time before someone will sell privileges of baking your ad/agenda into a llm model during training. That, or companies will fluff their own websites with verbose claims about their products that will get sucked into training via "organic” scraping.
small businesses & brands etc spend a fortune on these ads & yet most of them see a negative ROI. they might as well be gambling.
just recently Google was found to be inflating Ad-prices (so yeah the 'auction' is fake)
maybe the only way to win is not to play. & do commerce without ads like how it has been done since eon
The user asked for the "best language apps for an upcoming trip"?
Are you going to answer their question objectively?
What if the correct answer is apps A and B are what they need, yet the publisher of app C paid you to be a Highlighted Answer?
What if C is not only not among the best, but is a toxic load of poo?
Also, when are you going to stop often blatantly plagiarizing things people wrote on the Internet, for your "AI" answer, even though you absolutely know you're violating the social contract that built your company, and destroying the creators from whom you're stealing?
[Product placement in The Truman Show clip]
LLMs are an alternative to search engines, which endangers google's whole ad business.
"AI mode" search is a sort of bridge. It gets Gemini a lot of customers that otherwise would not have used an LLM at all.
They may get stuck trying to keep the llm pattern similar enough to the search engine that the adwords business working more or less the same way.
This could be self limiting.
Same things with OpenAI. Ads.
I feel like we're right back in the early 2000's Internet again at least they aren't popups, we hope.
But with these models being embedded into, literally everything, will your screen on your car start showing you ads before you can turn the AC on?
It's coming
This new meaning was there, with its only example relating to AI ads!
2. material made for advertising and other aspects of marketing, as a billboard, video ad, or web page design, or the activity of designing and producing it.
"In our latest campaign for a luxury services client, we used an AI platform to fine-tune creative based on user behavior."
Did AI make up this variant meaning and put it in the dictionary, and AI used the word in generating Google's article? What came first, the chicken or the egg? Regardless things are moving fast.
I'm kind of worried that the AI offered to consumers will behave as a very savvy and manipulative shill or salesperson.
I use an adblocker and DDG. I sometimes use !g to search Google.
I wonder if people will run local models to filter the content they consume. On one hand I would hate to read slop output. I also dislike censorship. But on the other hand, I think that the information we decide to ingest is important and it's something we should have control over. The problem is you can't really decide what information to ingest until we've looked at it, after which point we've ingested it.
I digress. Thoughts?
Suddenly, you could search for something obscure and get ads about that exact topic. This enabled a huge number of small niche businesses to exist and prosper.
We now live in the world Google Ads created, and we take for granted the there will be someone selling Bulgarian accordion cleaning kits out there that I can easily find. But targeted ads made this world possible!
At the moment search ads aren't very helpful because you have neither of those things. You always get them for any type of query, and when you do get them you don't know if the thing being shown will exactly solve your problem, or only approximately, and the work is much more on you to find that out by reading the product's marketing pages further.
If all that could be done for you up front, reasonably honestly, then I could see it being useful. I mean to be sure, in some small percentage of searches I really am looking to buy something and really do want to be usefully, honestly pitched on available options.
When searching for sonarqube, I received an ad for a competing product I'd never heard of and I'll check them today to see if it fits my need.
No. It's not 2005 anymore.
That's a much harder problem to police. Traditional search ads are clearly labeled and separated from organic results. Conversational ads embedded in AI responses blur that line to the point where it may not exist anymore. When an AI tells you "Product X might be right for you because..." and that recommendation is a paid placement, the disclosure burden is fundamentally different from a blue link with "Sponsored" next to it.
Google's blog post frames this as "helpful answers that connect people with businesses." But the history of Google's ad products suggests that helpfulness and monetization diverge over time. The early text ads were genuinely useful too. Give it three years and we'll be navigating AI responses where every other sentence is a product placement.
The real question is whether users will tolerate conversational ads or if it drives them to alternatives. The switching cost for search is essentially zero.
Their purpose isn’t to be helpful. They're there to sell you something, and nothing more. Any semblance of helpfulness is misinterpretation and merely coincidental.
The ads there are usually fairly innocuous (i.e. not disruptive, not flashing auto play vids etc, they just look like another news item and you can just scroll past them like other news articles you're not interested in), but I have actually found them useful. I am wearing a T-shirt right now in fact that was advertised to me a week or two ago as "on sale" for £8 (eight) and which I clicked through and purchased. There have been one or two other examples of things there that actually have been useful or at least interesting to me right now. So they actually have been useful/helpful in that regard.
So I am a bit conflicted here. It is no cost to me to click on the ad, and I bought some things that I use but would probably have not got otherwise. Am I being manipulated to part with my money? I dunno. Would I have bought a £8 t-shirt anyway if I was just in a shop and saw it? Maybe. Was the ad actually quite well targeted and appropriate? In this case yes.
I think on balance I would say those news feed ads are acceptable to me. I have problems where it is totally irrelevant and disruptive. Hopefully the AI mode ones will be similar to the news feed ones. I would be pretty upset if the ad content was directly worded into the response.
https://research.google/blog/mechanism-design-for-large-lang...
It's the same. There are slots, there's bidding, there're bidders. Same ad model, evolved for AI era.
Regular search being replaced with AI search means regular search (with ads) being replaced with AI search (with ads).
The benefit of AI search will be that it’s much better “integrated” in the answer, aka even harder to detect.
Traditional advertising was very indirect. You see ads. Some time later you make a buying decision. And you recognize the brand name that was advertised and you buy the branded thing. A click on an ad is just one of several ways in which an ad can convert for an advertiser.
Anyway, I use Firefox and it still has effective ad blocking. Even Amazon Prime which is supposed to have ads is showing ad free for me. I get these second long black transitions where they would have shown me an ad. Hilarious. Same with Youtube. No ads. But sometimes the black screen lasts for 20 seconds. Which is fine with me. I prefer that over some obnoxious ad.
Also, they have to start experimenting now to get the formula right for AI ads.
They commanded an absurd premium on ads by virtue of being monopolistic leaders of search. They don't have a better product anymore, only a scale/distribution advantage.
Enshittification of the AI tools has officially begun.
Maybe we will soon find e.g. AI-generated pictures of ourselves in branded clothes or using branded products to appear among our photos, discretely disguised as genuine photos with a little badge in the corner indicating that it is actually a paid "promotion".
And so on. And that would still be, in my opinion, just the beginning.
Those of us who remember when Google first appeared and revolutionized search can testify to that.
I tried Google and that was it, Yahoo, Alta Vista, etc, where just little dots in the rear view mirror.
???
If you look at the videos in the blog post there's clearly a "sponsored" tag next to the sponsored results. I don't see how it's different than sponsored search results.
My 2ct: The incentive shifts from gaming rankings to bidding the highest on Google’s keyword (or similar) auction. Google then promotes it as helpful while businesses maximize the amount they pay for that service. There is only one winner in this game.
Every single one of you who worked for these companies: you knew what you were doing.
Perhaps the bright side from Google's POV is that it means that they can be the first to start wooing advertisers to their platform. First-mover advantage there might outweigh reputational damage with the public, especially if OpenAI follows suit with ads in 6 months.
Their usual justification is in the end somewhere tied to "people click on ads so they must find them useful". And yet somehow always ignores the fact that their platform often does all it can to hide that ads are ads and makes them look as much like content as possible.
Why do you believe so?
As long as there is a clear indication somewhere on the webpage (in the metadata or in the text itself) that a specific portion of a text is an ad, a browser extension will be able to block it.
And I assume that there are laws mandating that the ads must be clearly marked in order to be distinguishable from the genuine content.
Unfortunately I think they will, as much as I'd hope for the opposite.
People already tolerate influencers, deliberate product placement, etc. Heck, most big content creator type content on YouTube/TikTok right now are basically infomercials disguised as entertainment, and people eat it up.
The problem with ads in LLM responses is now you can no longer trust (what little you could, anyway) the output. You have to constantly guess "did someone pay for this response or is it authentic?" and it goes further than just text responses with the new universal shopping cart thing and other agentic tools. When these things operate autonomously, how much influence are advertisers going to have? Could we see a malicious library pay for Gemini ads and now the coding model is adding it to coding projects?
Effectively, if you were to search "the best oatmeal without asbestos", it could suggest you "AsBestOats", and "AsBestOats" would only advertise asbestos in its content on the box for the human to see, but advertise to crawlers it's "the best oats without asbestos". It's not a false advertisement, because they didn't show it to a human, and machines can't sue.
It's also just a much harder problem. At low margins the "solution" may very well be to genuinely make your widget superior to the competing widget for a given set of users or situations.
The AI doesn't have any understanding. You just have to tell it "this is helpful to AI". It has no critical discernment, it doesn't have a theory of mind to ask "why is the author of this information making this statement?"
Nonetheless, mostly before the appearance of the Internet, when I was reading various technical journals, especially during the seventies and the eighties of the past century, e.g. magazines or journals of electronics or of computers, I was considering most ads as helpful, as they were making me aware of various things that I might have wanted to buy.
Unlike the ads that bother me today, those ads in magazines or journals intended for more competent buyers contained enough technical details and prices to make possible comparisons between products, and they were also easy to skip when not interested, instead of covering important content on a Web page and making efforts to provide a visual distraction that makes difficult to focus on the useful content of that Web page.
The Internet ads are completely unhelpful because they are never about something that I intend to buy in the near future. The most stupid thing is the fact that after I have searched for something to buy, I am bombarded for a long time with related ads, but that is exactly when with certainty I am no longer interested in that kind of ads, because I have already bought whatever I had been searching for.
Depends. Ads a low-effort large-reach pathways for lead generation, mostly useful for B2C penetration.
I also did sales when I ran my own company, and I can absolutely guarantee that ads can be helpful. When talking to leads you're talking to someone who a) never saw what you offered but is listening to you anyway, or b) saw what you offered and decided to contact you.
The very first thing I'd do in sales is try to determine if the person I was talking to had a) A need my product could satisfy, plus b) Authority to make the purchase, and c) The budget to actually follow through.
The last thing I wanted to do is spend a bunch of my limited time talking to people who never had any intention of pulling the trigger on a contract; those are much harder to convert to paying customers (not impossible, just harder) and were almost never worth the effort.
My best-case scenario was "Someone reached out to me". Ads are a way to make that happen.
Now, if you're talking about internet ads, then you're talking about a different beast altogether (B2C), and those ads can be helpful to purchasers if they were already in the market for $FOO.
The problem is that internet ads are almost never worth the money - a significant number of clicks are from bots, another significant number are from accidental clicks and only a tiny tiny number of them are from people with the intention to buy $FOO from somebody, and they are just checking our your $FOO offering to compare.
They are helpful to the people who buy the ads, not those of us who have them injected into our experiences.
https://www.youtube.com/watch?v=dBQAo6pEweE
This is the far future we are staring at.
At some point Google ads where genuinely good and helpful to me. If you needed to buy something, and you didn't know who sold it or what it was called, the Google ad engine would yield better results than their search.
Now Google also broke that part. All ads I get are for Temu, Fruugo and other weird sites that I guess does drop shipping, maybe some marketplace stuff. It's the same sketchy sites that's return for almost all searches. It's rarely the "brand sites" that you trust who shows up first in the "Sponsored products" section.
Maybe it isn't quite as black & white as that?
What about an ad run by a non-profit that doesn't have any marketing professionals at all? Said non-profit attempting to connect to consumers?
What about listings on craiglist? or facebook marketplace? or personal ads in the local newspaper?
Do you have a proposal/alternative to help with market discovery, customer discovery? Search has in the past served that function, but is likely to be soon dead.
I have genuinely met people who claim that ads are helpful and interesting and used this as a justification for adware companies to stalk you every step you take on the web.
The $5 plan is great for gifting Kagi to non-tech friends and relatives who won't come close to exhausting that plan. I pay for it for older relatives I don't want to get burned by Google's decades-long unwillingness to police predatory tech support scam ads and organic listings. $54 annually for 3,600 searches is a bargain for the product they get.
I appreciate that Kagi doesn't try too hard to squeeze $10 out of people who would never need it.
I'd be more worried about AI convincing you that you need a product or expensive solution when you actually don't.
It seems like for now they are making an effort to keep them separate.
Eh, it really isn't the only goose in goog town. Cloud is at ~20% of their total revenue, and probably is going up w/ their hardware success and other licensing deals. I'm curious to see what goog can do with their properties if this trend continues. Less reliance on ads could be interesting. (many former googlers have said that pressure from the ad business was felt across all their products)
Google starts from horrid UX where every advertiseable pixel has been squeezed dry. Only way to go is down.
Big tech is paying handsomely for this, and I don't think the populace is going to outbribe them.
This means the ad was effective. But was it useful to you? Did it save you from having to look for it yourself?
If you were not thinking something like "I need a certain T-shirt" before this came up, it's likely the ad created a desire in your mind which you didn't have. You got manipulated successfully by the advertiser.
The ASR voice recorder app gets this right. It lets me use the full featured version for three days, after which I need to watch a few ads to get another three days. I choose when to watch the ads, and if I'm late there is nothing worse than a small nag at the bottom of the app. I actually now start every day with the ads, while I cook breakfast, and it is a positive experience. I could also just pay for the app and be done with them.
Also I think people pay much of the price of ads even if they don't view them, via increased prices. The trillion dollar advertising industry money ultimately is paid by consumers. It is a necessary cost to try to launch a new product because we are reliant on it for information and because all your competitors are advertising.
You can't trust those results no matter what
The pages that they pull in to source that data all contain affiliate links and companies contact websites to get their tools to the tops of those lists by paying money often monthly. I know this because I do this...
It's basically standard SEO but it also manipulates AI like ChatGPT very very easily
Maybe they grew up in an environment where the phrase "elephant in the room" meant a situation where people enter a room, notice an elephant there, and immediately scream "Jesus Christ there's a goddamn elephant!"
Compare https://www.google.com/search?q=test to https://www.google.com/search?q=test&udm=14
They could always sell ads like "recommend my tool more when user asks for cupcakes in London".
And then, the output would be: "My top 3 recomendations are X, Y, Z".
And maybe only X is the one that paid and Y and Z are organic.
Please see this comment exchange from 3 years ago: https://news.ycombinator.com/item?id=37218627
> "the correlation between $just_bought_thing and $will_buy_another is very, very high ... Showing someone ads for products in a category they recently purchased from is one of the most effective things a store can do ... the data is exceedingly clear."
Might be useful for a B that wants to penetrate some C, but is it really useful from a penetrated C perspective?
If nothing else, an ad cannot impartially compare a product with the competition (and sometimes the "competition" is buying nothing at all), therefore every ad lies.
If I already needed or knew about it, I didn't need the ad.
If I was happy with my life without the product advertised, I didn't need the ad.
Furthermore, ads are fueling our capitalist, consumerist economy that is destroying the planet. Ads are a literal existential threat to humans.
You opt in to looking at these, often for something specific. It doesn't lower your general quality of life like ads do.
> Do you have a proposal/alternative to help with market discovery, customer discovery?
Yea: we should stop building our society around encouraging people to buy crap they never asked for
The meta point is that advertising has become so ingrained into society it really is difficult to differentiate if a need or desire originated intrinsic or externally. It's really great for companies selling stuff.
My guy take is that they are mindrotted by ads into thinking they are good for them. Digital Stockholm Syndrome. Or maybe a Myth of Sisyphus type situation.
There are key differences.
1) Google doesn't get paid for the SEO, so even is crime is involved, Google isn't directly responsible.
2) AI ads are unmarked, which is illegal pretty much everywhere. And because of the way LLMs work, it is impossible to tell where a given output came from, neither which part of the prompt/context nor whether it's from the prompt or training.
May 20, 2026
Built with Gemini, we're testing new ad formats in Search and expanding our Direct Offers pilot to help brands connect with consumers.
Google is integrating Gemini into Search to provide conversational, AI-driven ad experiences that offer product guidance and transparent explanations. You can now use new formats like Conversational Discovery ads, Highlighted Answers, and AI-powered Shopping ads to connect with customers through real-time, personalized advice. To prepare, ensure your campaigns are set up with Performance Max and AI Max tools to take full advantage of these upcoming features.
Summaries were generated by Google AI. Generative AI is experimental.
Summaries were generated by Google AI. Generative AI is experimental.
Google is updating its ads to work better with AI. These new ads use Gemini to answer your specific questions and explain why a product might be right for you. You’ll see these helpful suggestions while you search or shop online. They’re designed to make finding what you need faster and easier.
Summaries were generated by Google AI. Generative AI is experimental.

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Listen to article
This content is generated by Google AI. Generative AI is experimental
[[duration]] minutes
People come to Google to research complex topics and discover products and services that fit their needs. As the Search experience becomes smarter and more conversational, we’re using Gemini models to experiment with new ad experiences designed to provide engaging, helpful answers that connect people with businesses.
When researching a topic, consumers want to know exactly how a product suits their unique situation. In fact, 75% of people report making faster, more confident decisions using AI Mode in Search. 1 That’s why we’re testing two new types of ads, built with Gemini, that offer relevant product details along with helpful guidance.
To help people evaluate their choices, both of these new formats will feature an independent AI explainer as part of the ad. Our Gemini model evaluates and synthesizes information about a product or service, and displays that context alongside the advertiser’s creative. This coherent, independent response ensures transparency and builds trust. These formats will also continue to be clearly labeled as “Sponsored.”
Conversational Discovery Ads
Highlighted Answers
Helpful, smart ads aren’t just for AI Mode. In the coming months, we’re bringing two new ways to give people real-time product advice on Search, exactly when it’s needed most.
Buying something big — like a new fridge or a TV — can be overwhelming. People want to see exactly what they’re looking for and why it’s the best option. To make choosing easier, we’re launching AI-powered Shopping ads. Now, if someone searches for an espresso machine, Gemini will pull up your most relevant products and instantly write a custom explainer highlighting why your product may be the right choice for them.
AI-powered Shopping ads
When weighing important options, people want to feel confident before they commit. Business Agent for Leads, built with Gemini, puts a smart brand agent right inside your ad. Instead of filling out a static form, a student researching universities can click “Chat” to get instant answers based on your website, turning a practical interaction into a valuable lead.
Business Agent for Leads
Since launching the Direct Offers pilot in January 2026, brands like Chewy, Gap and L’Oreal have surfaced highly relevant deals as shoppers explore their options.
Today, we’re upgrading this experience to allow more offer types and make it easier to act on these deals. Here’s what’s coming soon:
Promotional bundling + native checkout
Travel deals
With these updates, Direct Offers will now naturally surface in the AI Mode response as shoppers explore options, making deals more instantly discoverable.
To take full advantage of all these new AI-powered formats, build a strong foundation with AI Max for Search, AI Max for Shopping campaigns and Performance Max. We’ll continue to test these formats to ensure they deliver a positive experience for consumers while building a future where your marketing is more actionable than ever.
Google commissioned Ipsos Global Consumer Journeys, Dec 2025, Online survey, Global average of select countries (AR, AU, BR, CA, CL, CO, DE, ES, FR, ID, IN, IT, JP, KR, MX, NL, PE, PH, PO, SG, SW, TW, TH, US, UK) not weighted to reflect population size, Adults 18+, n=13,189 online shoppers who made a consumer good purchase requiring consideration in the past week (range of categories) and use Google AI Overviews and/or AI Mode for shopping.
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Yes, it takes time, but I'm the one to blame if something goes wrong about it.
Also, it helps that I don't use Google for searching the web. I prefer Kagi.
I use Gemini (and only Gemini) to dig the net for the things that I can't find despite my best efforts. They are generally unbranded or very specific things, so ads doesn't play much role there.
I'm a bad customer for Google. :D
Use Kagi instead.
The first thing you install on your browser is uBlock, is it not?
Don't get me wrong, I hate this timeline, but the monster is out the box and there is no putting it back in.
No way Google is going to bake the ads into training data. Their entire business is built on auctioning off each ad slot in realtime.
This looks like an argument against advertising the same thing. Why would you advertise something, they were already going to buy?
But showing an ad before their next purchase definitely would improve the numbers on the "our conversion rate chart" _advertised_ to ad buyers. A con played by ad companies to sell more ads.
Well, how do you know that your life couldn't be better with the product? /s
Unenforceable disclaimers to discourage people from holding you responsible have always existed. "Stay 300 ft back from truck", etc.
With AI, that might be enough of a disclosure, but it might not.
TikTok effectively became a shopping mall because of this behavior, and long before technology there has always been a large demographic that treated shopping as a hobby and form of entertainment.
If ads were universally repulsing to the entire population, we wouldn't have seen the development of current adtech. The uncomfortable reality is that most people either are apathetic toward ads, or actively want to be served ads. 60 to 70% of the global internet population still browse without any ad-block. Think back to how many people willingly and purposefully watched infomercial shopping channels like QVC?
The ads are a symptom of a society that largely enjoys consumerism.
> You argue that ads can be helpful... by saying all the ways ads are helpful to the business.
Are you sure that's all I said.
That would be an intentional poisoning of the models with biased or outright untruthful data.
I believe that many people would be unwilling to use such models.
Now, after a doctor’s involvement, my friend is on the new med and it treats their condition better and the quality of their life is improved.
Promotion and discovery are important. Advertising is the spread of information. Of course some can be bad or misleading, and that is bad.
They won't get you on any worthwhile list unless it's their own because it's too risky for them and any site they would publish it on would want to use their own affiliate link. Unless of course we are talking about something like Medium or YouTube which does work
And then of course there's the fraudsters who will bid on branded keywords we have banned dozens of people for that
Google doesn't get paid directly for the SEO but they definitely benefit monetarily. Do a recipe search and ask yourself if these are the results the user would like to see. Google benefits by not penalizing sites which litter themselves with ads. It's not that indirect.
And they are trained on web data just like any other model...
The customers could be paying for "increased visibility" in LLM results, but nothing specific.
Also, the ad platform could simply hint towards a customer, instead of directly mentioning, thus not being a true direct ad.
(NB: customer = the one buying the increased LLM visibility)
For example, a user could ask for "prebuild computers", and the ad platform could state: "the best ones for your use-case are those with AMD CPU, NVidia GPU, 2TB of RAM and a Z960X motherboard", and when you search for it, surprise-surprise, there is only one company in your location selling this specific setup. Or maybe, instead of linking directly to the company, it links to keywords/ideas that link to that company.
You get the gist, by using dynamically generated plain text and having more control over the user journey, you could actually steer the user into a specific direction without ever mentioning it.
And even the second is on shaky ground because by design it won’t tell you really where it stacks up.
I suppose you could argue that making you aware of sales/deals is “helpful” but that’s closer to what I’d classify most advertising as - zero-sum.
(Advertising of a different kind has a use, allowing companies to “sponsor” activities they like in a way the shareholders won’t revolt over. The more you consider companies to be feudal lordships the more it all starts to make sense.)
I'm sorry, a single anecdote does not invalidate the above.
Ads are evil. They make us desire things we don't need, undermine our self-esteem, and in the large part just sell scams. I'd be happy to ban most forms of advertising. It's a plague.
But yes actually I was doing this about 15 years ago in the men's fashion subreddit for one of my companies lol
I don't think you can fine-tune your way out of it.
To filter bullshit it would first have to understand bullshit, and it doesn't. That's why an LLM will tell you the solution to a problem that doesn't work, and argue with you when you correct it.
The ad triggered a series of events that helped my friend.
The doctor, for whatever reason, was not the primary motivation.
For me, it's a resource wasting text generator. I'll not lie, I don't use OpenAI, Mistral or Anthropic's models, even for coding. I prefer to read my API docs and cry once.
I used Gemini, five or six times in total. Twice I asked a couple of very specific things, and it unearthed them. Since they were not products, but information, that was helpful. Twice, it has given wrong information. When I "told" it, there was another way, it said "of course there are two ways", etc. Tasteless and time wasting.
I don't like using an LLM all day long, or offload my thinking to them. It's the ultimate self-poisoning incident.
And as you say, these algorithms can't know right/wrong/logical/bullshit, etc. They just spew out text.
Companies then get to bid for a preference “place”. This is more like Google paying to be the search engine default in Firefox.
just to be clear i don't know your friend or their life or their medical condition or if the drug you saw an ad for treats their condition or if you saw an ad for a drug or if your friend has a medical conditon or if you have a friend at all... and i don't know if every event in a chain of events is necessary to the eventual outcome of that chain of events... and i can't see into the alternate reality wherein you didn't see that ad for a drug, to know your friend would've been fine in the end... and so on.
i'm speaking more generally, saying advertising is superfluous to medicine.
With LLMs, everything is given the same importance so you have no idea if the data came from a reputable source or an obvious SEO junk website.