Let me know if you need any help navigating a search engine but you should be able to put similiar keywords and get a variety of information from any number of sources.
Of course I have read the often repeated claims written in English by those who have no personal experience with China.
One of the sibling comments guided me to https://www.douyin.com where ten minutes of browsing was enough to disprove the claim "the algorithm is specifically tuned to reward dumb content in the US, compared to rewarding STEM and other educational content in China".
