I'm not handsome enough to be an actor, but I know more about finance than most of these influencers, and most HN'ers could also acquire such knowledge. So what is the barrier to entry?
For automatic promoting/demoting of users based on their attractiveness, Tiktok probably uses something like SCUT-FBP5500 but because it's part of their proprietary secret sauce this hasn't been confirmed.
[0] https://theintercept.com/2020/03/16/tiktok-app-moderators-us...
[0] https://www.cnbc.com/2021/06/25/tiktok-insiders-say-chinese-...