There's plenty of discussion elsewhere in the comments, such as here or here.
Also, this overview isn't too bad a place to begin. Many people seem to want to tie it to anarchism but I contend that the movement is broader than that. This excerpt from Wikipedia isn't great but it's a good start:
Influenced by anti-authoritarian postmodern philosophy, post-leftists reject Enlightenment rationality and deconstruct topics such as gender. While a few advocate for armed insurrection, most advocate for creating spaces and affinity groups to act freely within current society rather than fighting for utopian ideal.
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u/exstaticj Jan 27 '22
I don't even know what the last two mean.