China Rewards Porn Snitches
No they are afraid of socialism and communism. According to the Communist Manifesto by Karl Marx: Capitalism is a progressive stage that leads to Socialism and the stages are required or the worker class will not rebel and therefore there is no Socialism/Communism without an oppressing government based around Capitalism. For the proletariat's to rebel it must be a forceful action in which the overthrow of a government is required and hence cannot be achieved via peaceful means.
China may be communist in nature, but is by no means a true communist nation in the initial definition.