In both cases, the operators don't have to actively boost that content, and it also is profitable, so they won't voluntarily remove it until forced to do so (by the government or public).
For example do an internet search for Chinese people live streaming under a bridge. I'm pretty sure these people are not all demonstrating job skills.
Like they banned effeminate man on TV: https://www.npr.org/2021/09/02/1033687586/china-ban-effemina...
>Douyin vs TikTok also differs in terms of popular content. The most popular on Douyin is definitely educational content, with videos helping to improve skills and grow personally, while on Tik Tok the most popular is narrating videos, which is a great opportunity for artists, singers, and music producers.
https://marketingtochina.com/differences-between-tiktok-and-...
Frankly, nowadays it seems like we're just reviving McCarthyism when we talk about China.