You'd think if they thought anarchism=barbarism they wouldn't question an anarcho-barbarian's abilty to just go out and grab treats. Of course this style of society would eventually run out of things to grab and the things they did grab would be distributed poorly as the hyper invidualist strongmen would feel morally justified in hording vital resources for their own personal benefit because they "took it all with their own strength" and would collapse the moment they ran into a something they couldn't break down. Like a wall...