I feel that TikTok needs a large warning label regarding privacy and potential psychological damage. I have nothing concrete to share, but an app that serves you content you tend to watch more of, in a fast paced way, that ultimately leads you to a bubble of users that increase your engagement with the app seems really wrong at first glance.
All of these companies remind me of this thread: https://www.reddit.com/r/MachineLearning/comments/jm0lhu/d_i...