EU regulators argue the app’s design encourages addiction, a finding that could force TikTok to change its feed and put other platforms on notice. Time could be up for TikTok’s metronomic For You feed, which pushes videos to users with clock-like accuracy. The endless scroll that defines the TikTok experience has been flagged as part of a broader set of features that make the app addictive by design, according to the European Commission. The regulator has issued a preliminary decision under the Digital Services Act, a sweeping piece of tech regulation, arguing that TikTok has not done enough to mitigate the risk of user addiction tied to those features.