Social Democrats and to a lesser extend Pure Identity Politics Progressives.

But social democrats first and foremost, because the social democrats usually have a couple of charismatic intellectual gurus.
For the US it’s Noam Chomsky
Greece has Yanis Varoufakis
the Netherlands has Maarten van Rossem

“USA bad” well extends beyond Lemmy and I don’t think Lemmy is “USA bad” enough.