It's the appearance of an organizing that is really taboo. Of course please take my opinion with a grain of salt. I am a foreigner who was there less than a year.
advchina/serpentza/laowhy86 are the canaries in the coalmine atm.
Sure:
How about a look at Reporters without borders, which ranks press freedom:
US #48 (behind Botswana, Child and Romania)
China #177 (of 180, so only ahead of Eritrea, NK and Turkmenistan)
Or this HRW report will be an interestjng read: https://www.hrw.org/world-report/2019/country-chapters/unite...
We have to remember there are two justice systems in this country and re-introducing slavery through the prison industrial complex was something we deliberately did without good reason.... not in response to dangerous extremism like in China.
This is a fundamental difference (and yes, America has detained people indefinitely without trial, but I would condemn that _too_, and they are a small minority of prisoners).
Furthermore, there are ~2.3 million _people_ in prison, of which 40% are black (39% white, 19% Hispanic).
Here's a major presidential candidate on the topic:
China has no freedom of speech, the press, religion, or assembly.
Also, is there a firewall that prevents you from accessing portions of the internet your government doesn't want you to see?
(I've never been to China but this is what seems to be reported.)