China has a Dictator, a total absence of a Justice System, total surveillance and censorship, and large swaths of the population of some regions in concentration camps, a large number of individual dedicated to holding in place that apparatus.
Meanwhile you're free to walk down the street and tell the US President he's an idiot and you're not going anywhere without the entire US media knowing about it if they want to put public eyes on it for the sake of your own rights. There are laws, all sorts of controls, Judicial oversight, yada yada.
As if that even needs to be said.