The editorial lines of Fox News are completely different to CNN and PBS. Different subreddits are completely different. The idea that they're all part of some conspiracy run by the US government is very strange.
TikTok serves to make everyone wear Chinese blue jeans and listen to Chinese pop music, and America does not like that.
Putting it another way: America can dish it out but they can't take it.
Also, seeing as you took "blue jeans" quite literally I am going to assume you never played Civilization. For being a child-oriented game filled with memes it's actually very insightful about human psychology, I recommend playing it.