This is a childish response. Democracy is not simply limited to “choosing the party in power.” China ticks all the boxes of democracy even in the Wikipedia article on democracy, elections are held for representatives and policy is guided by what the people themselves want. Here’s a good article comparing the US system with the PRC’s system.

Furthermore, you just assert without basis that the people of China “have no rights” and that they are “constantly repressed,” repeating verbatim US State Department talking points without genuinely engaging with Chinese people and how they view their system. You even contradict yourself, you say that Chinese people support their system because it works for them, but also that they are scared of it and in constant fear, yet support it anyways. It’s a non-falsifiable orthodoxy describwd by Michael Parenti, in Blackshirts and Reds,:

In the United States, for over a hundred years, the ruling interests tirelessly propagated anticommunism among the populace, until it became more like a religious orthodoxy than a political analysis. During the cold war, the anticommunist ideological framework could transform any data about existing communist societies into hostile evidence. If the Soviets refused to negotiate a point, they were intransigent and belligerent; if they appeared willing to make concessions, this was but a skillful ploy to put us off our guard. By opposing arms limitations, they would have demonstrated their aggressive intent; but when in fact they supported most armament treaties, it was because they were mendacious and manipulative. If the churches in the USSR were empty, this demonstrated that religion was suppressed; but if the churches were full, this meant the people were rejecting the regime’s atheistic ideology. If the workers went on strike (as happened on infrequent occasions), this was evidence of their alienation from the collectivist system; if they didn’t go on strike, this was because they were intimidated and lacked freedom. A scarcity of consumer goods demonstrated the failure of the economic system; an improvement in consumer supplies meant only that the leaders were attempting to placate a restive population and so maintain a firmer hold over them.

If communists in the United States played an important role struggling for the rights of workers, the poor, African-Americans, women, and others, this was only their guileful way of gathering support among disfranchised groups and gaining power for themselves. How one gained power by fighting for the rights of powerless groups was never explained. What we are dealing with is a nonfalsifiable orthodoxy, so assiduously marketed by the ruling interests that it affected people across the entire political spectrum.