a) Marxism isn't exclusive to or necessarily even promoted by China b) It probably depends on the subs you frequent, my experience has been fairly different.

a) Marxism isn't exclusive to or necessarily even promoted by China b) It probably depends on the subs you frequent, my experience has been fairly different. c) Even if it was a "Marxist echo chamber" that wouldn't necessarily make it a "Chinese surveillance of Western culture". d) There's a whole world between China and the "West" that also uses Reddit.