I'm not american either but I think historically and up til now plenty if not most of the people who call themselves anarchists did so because that was the "safe" kind of leftism, plus it also had some state backing. I'm not talking about ursula k le guin or emma goldman here, there are real committed american anarchists but past a certain point, namely when everyone started using twitter, I don't think you can people's self-identification that seriously so I can't say that "anarchism" is that prevalent in the US so much so that it would have to be accommodated, idk maybe this doesn't make sense

to be fair so do a lot of the communists

I'd say the same about them, weirdoes, especially if they call themselves "marxist-leninists" but don't want to join a party or do anything.