

The Chinese government literally has a 95.5% approval rating as researched by Harvard University over 15 years. The party is not terribly worried about criticism. In fact, because the party is structured with a bunch of internal factions, they are constantly experiencing criticism.
I think the unraveling of US imperialism is a result of China, and subsequently BRICS, outmaneuvering the entire Atlantic Empire. Trump is just overseeing it and giving it a spin. The empire was going to continue its decline regardless who was in office. The speed with which the empire is reconfiguring itself, though, could really only happen under Trump, as Harris would have been too status quo.