You can imagine it. But they'd be wrong. Facebook and YouTube aren't directly controlled by an enemy government, and likely aren't intending as part of their raison d'être to sow discord and chaos in China.
This is so revisionist that it's funny. I vividly recall Facebook management celebrating their role in toppling regimes around the world for example the "Arab Spring": https://en.wikipedia.org/wiki/Social_media%27s_role_in_the_A... https://www.thewrap.com/facebooks-sheryl-sandberg-finding-jo...
I dare you find direct evidence of such quality that Tiktok is trying to do the same in the US.
There is some influence of course but it's not like their existence is at the blessing of the President.
Reuter reported this: https://www.reuters.com/investigates/special-report/usa-covi...
U.S. social media absolutely are controlled by the U.S. government, and we can, and have been able to get any user data we want from them.