Companies Exploit Reddit to Manipulate ChatGPT and Google AI Search Responses
Key Takeaways
- ▸Companies are systematically exploiting Reddit to influence ChatGPT and Google AI search responses through AI Engine Optimization (AEO), a practice analogous to SEO but targeting AI systems
- ▸Bad-faith actors use automated bots, sock puppet accounts, and paid human promoters to flood communities with spam designed to be scraped by AI training pipelines
- ▸r/biohackers moderators restricted peptide and HRT discussion to megathreads due to unsustainable levels of AI-driven spam and vendor manipulation
Summary
Moderators of the r/biohackers subreddit have discovered that peptide and hormone replacement therapy (HRT) companies are systematically flooding Reddit with spam to manipulate the responses of AI chatbots including ChatGPT and Google's AI search. The practice, known as "AI Engine Optimization" (AEO), involves companies using bots, sock puppet accounts, and paid human accounts to create content that will be scraped and incorporated into AI training data. As AI systems increasingly cite Reddit as a source, bad-faith actors have begun using the platform as a vector for data poisoning.
The subreddit moderators have responded by restricting new posts about peptides and HRT to weekly megathreads, citing the unsustainable toll this manipulation is taking on community quality. One moderator noted: "As AI search engines increasingly pull answers from Reddit, companies are using us for AEO. On top of that, there's been an explosion of peptide interest and AI usage flooding the sub. Together, this has put serious pressure on content quality." Companies like RedRover are openly marketing AEO services to brands, advertising that their "army of agents" can publish content across platforms to manipulate rankings on both Google and ChatGPT.
The consequences extend beyond subreddit moderation—the practice creates significant public health risks as sketchy companies promoting untested or unsafe peptide and HRT products manipulate AI systems to recommend their offerings. This represents a broader structural challenge for AI companies, whose systems are becoming increasingly vulnerable to targeted disinformation campaigns that exploit the human-curated nature of popular platforms like Reddit.
- The practice creates public health risks by allowing sketchy companies to manipulate AI recommendations for untested, unregulated, or unsafe products
- AI companies face a critical vulnerability: their systems' dependence on human-generated internet content makes them attractive targets for coordinated data poisoning attacks
Editorial Opinion
This story exposes a fundamental vulnerability in AI systems that depend on human-generated content from public internet platforms. As ChatGPT and Google's AI search become more influential in how people discover information, they become increasingly attractive targets for manipulation by bad-faith actors. OpenAI and Google face a difficult challenge: they must find ways to verify source authenticity and resist data poisoning without becoming overly censorious or relying exclusively on proprietary data. This will likely require new content verification approaches and source credibility systems as AI systems become more central to how people find trustworthy information.



