A search for “humans suck” comes up with fascinating results but certainly not exclusive to any movement.
But I think I get what you’re saying.
Misanthropy has limited practical value.
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I think a lot of this attitude comes from the VERY heavy pushback from center-right and right wing attitudes, particularly online and in the gaming and meme communities.
Lack of trusting the Millennial, GenX and Boomers to organize anything substantial.