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No, I'm pretty sure even people in the US should be recognising this as the toxic, paranoid, prejudiced, xenophobic drivel it is. I can assure you I feel no non-American angst, nor am I attempting to instil it in others. You can't rationally claim that a certain group of people within a set border are a problem whilst also stating that geographic location is irrelevant. Unless, y'know, you're insane, which I'm not ruling out as a possibility.
Don't particularly care about this guy's sanity, but sure, he can state that "a certain group of people within a set border are a problem whilst also stating that geographic location is irrelevant." He'd be right, too

It doesn't matter where bitcoin mining is centralized, as long as *it's centralized somewhere.* If that "somewhere" happens to be China, then Chinese miners are responsible for [the problem of] Bitcoin centralization. If Bitcoin mining was controlled by handful of wholesome American boys in Detroit, Michigan, then American miners would be responsible.
Seems self-evident to me

Also, fun fact, not everyone in China is a communist, you stereotyping screwball.
Did he suggest that all Chinese were Communists?