China is currently the prime example of a fascist state. It calls itself socialist, while having nominally private businesses that function as extensions of the government. It bans expression which opposes "core socialist values," monitors its people extensively, and censors the Internet.
Actual antifascists would denounce China. Antifas are playing a different game, where "fascist" is merely a label to stick on enemies.
Liberdon is a Mastodon instance for libertarians, ancaps, anarchists, voluntaryists, agorists, etc to sound off without fear of reprisal from jack or zuck. It was created in the wake of the Great Twitter Cullings of 2018, when a number of prominent libertarian accounts were suspended or banned.