EU accuses TikTok of trapping users in harmful ‘rabbit holes’
The European Commission has accused TikTok of violating the EU's Digital Services Act by failing to prevent its recommendation algorithm from trapping users in harmful 'rabbit holes' of content about sadness, self-harm and body image.
The preliminary findings, announced on Friday, represent the first time EU regulators have directly challenged the engagement-based recommendation system of a major social media platform. European officials described it as the first enforcement action of its kind worldwide.
The Commission's investigation focused on TikTok's 'For You' feed, which shows users a continuous stream of personalized videos. The algorithm recommends similar content based on how users interact with certain types of content, which becomes problematic when dealing with sensitive topics like mental health struggles and body image.
Business Model Challenge
European officials emphasized that the case directly addresses a business model built primarily on user engagement. 'The more a user interacts with a certain type of content, the more TikTok's 'For You' feed algorithm recommends similar content,' the Commission stated. 'This design can be harmful when such endless and repeated exposure involves, for example, content about sadness, isolation or body image.'
The investigation was directly 'addressing a business model' built primarily on user engagement.
Harmful Content Loops
Brussels noted that TikTok had identified some of these issues in its own risk assessments but failed to properly analyze those risks and set appropriate safeguards. The Commission stressed the case wasn't about removing content, but rather focused on videos that were neither illegal nor against TikTok's rules—described as the 'least harmful' category.
Citing trends like 'what I eat in a day' and 'SkinnyTok,' officials explained that legal content could appear harmless in isolation but became damaging through repetition, particularly for young and vulnerable users. This follows similar concerns in the U.S., where senators demanded answers from TikTok over the death of Chase Nasca, a 16-year-old who took his own life after viewing harmful content.
Investigation Methods
The Commission spent two and a half years developing 'amongst the world's most advanced investigatory infrastructures,' using secret testing methods to prevent platforms from gaming the tools. They obtained TikTok's internal documents and data, analyzing around 20,000 videos with help from psychologists, psychiatrists and system design experts.
If the DSA violations are confirmed, TikTok could face fines of up to 6% of its annual global revenue. The company has a chance to review the Commission's evidence and challenge the findings. TikTok, which has the right to check and challenge the evidence, did not immediately respond to a request for comment.
Broader Implications
Friday's findings mark the third action the Commission has taken against TikTok this year, following challenges to addictive design features in February and minors' account protections in July. Officials distinguished this case as focusing specifically on the recommendation system rather than notifications or endless scrolling.
The Commission described the case as a 'scene setter' for its proposed KIDS Act, which would prohibit platforms from relying solely on engagement signals to recommend content to children—a provision directly inspired by the TikTok investigation. While officials acknowledged other platforms similarly push users into rabbit holes, they declined to comment beyond TikTok at this stage.
Related
