Some of them, sure.
If you find one who is anti-fascist and pro-capitalism, let me know. I think your “some of them” should be “all of them”.
So why do those organizations also do things like shield immigrants from law enforcement? Doesn’t necessarily seem connected.
Roger Nash Baldwin and Angela Davis.
Both came to the conclusion that the only path to full racial and class equality was absolute enforcement of human rights, which required equality of outcome. Authoritarian Communism, which makes the ruling class out to be the evil entity.
Even if that meant a few recalcitrant democrats needed to be shot during the process.
So, very much connected. If you believe that the “law” is evil and white, then you are now justified in sheltering breakers of that “evil law”.
And killing the enforcers of that “evil law.”