They fundamentally think that state power is (to varying extents) unethical. They also think human interaction should be voluntary (for the |ost part). It's awkward to think that people deserve to live and trade without interference and not think a group of people should be able to if they want.

Lots of people conflate capitalism, voluntary interaction, and whatever the fuck we have going on now. I won't get started on how fucked most people's view of (proper) left ideologies are.

So we line up, use proprietary language, and throw rocks at each other while shouting absurdly reductionist slogans.