IIUC, and I may be wrong, but the Meta/Google/et.al. aren't under a trade embargo in China, they can't do business there because they were unwilling or unable to follow all of the laws required to do business there.
Heck, Google's still trying to arrange the appropriate censorship and filters so they can do business in China.
Heck, Google's still trying to arrange the appropriate censorship and filters so they can do business in China.