Actually, the problem the US had with Tiktok that was it did not censor people from talking about Palestine
https://www.middleeasteye.net/news/us-tiktok-ban-linked-isra...
https://www.middleeasteye.net/news/us-tiktok-ban-linked-isra...
No doubt that it became an argument by some more recently, but it was just another straw on the already broken camel's back.