The only element I'm aware of that you didn't mention is quickly swiping away from thirst traps- TikTok counts how much time you spend watching that video as a

The only element I'm aware of that you didn't mention is quickly swiping away from thirst traps- TikTok counts how much time you spend watching that video as a signal. Other than that, if you're representing your use correctly, it sounds like a bug, or that someone else is using your account (on a shared device?) to watch the sexy people.