US at least gives concerned citizens a framework in which to enact change, with China there is no such framework. Free speech on the internet in China is non-existent. You will not get censored in the US (or internationally) due to anti-American rhetoric. Sure there are currently flaws, but I am confident we can improve as humans in figuring out more meaningful ways to share our thoughts online.
I said this in another comment, but I will repeat it here; better the demon you know than the demon you don’t. With the preliminary data we have with the treatment of Chinese nationals living abroad, particularly in HK and Taiwan, and the continued rhetoric implying jurisdiction over all Chinese nationals worldwide, I don’t care to see what that world looks like.
What makes you think US will give you the same? U.S supports dicators and criminals as well(i.e in Saudi Arabia). It gives them weapons and inteligence. I think it's already clear that it's America First and democracy, freedom and the good stuff somewhere on the 2nd, 3rd or 4th place.
If North Korea would become U.S's ally against China, Kim would be presented(by US) as a strong man and the rightfull leader for NK people(i.e like MBS in SA)
You better make sure you don't have to choose between any of them (U.S or China). Get better relations with your neighbours and try to rely less on super powers(i.e US, China, Russia)
What makes me think that the US will give me a framework to enact change? They already do. You can freely discuss what you are currently discussing because of this framework. You are currently using it. Enjoy it, don't take it for granted