There is quite a number of extant peoples who evince me otherwise. Mondragon corporation and Linux Foundation both serve as evidence against your position as well. You most probably don't have an example of a
functioning society because you've misconstrued your definition of society to be exclusive to the design of states. But the stateless form of man is that of small networks of aligned people, and therein lies the check and balance. And I'd postulate given the wide proliferation of knowledge, the high literacy rate, the level of interdependence and so on of the modern era, that people are more able than ever to self-organize in a positive and stateless life to produce a far more egalitarian landscape and one with a greater deal of optionality to the participants therein.
And if I'm being frank, what I see peering over the modern landscape is that the state is little more than a puppet for corporate interests, protecting malefactors from retribution while allowing them in turn to exploit the trust of people that the system isn't stacked. More or less it's a dissolution of the rule of law that consolidates power into the state through that means, and producing what is more or less a completely unruly class which is allowed at length to exploit everyone.
I suppose you're arguing the Hegelian perspective, but I assert the apex of man or the geist, is precisely that which is described in anarchist utopian literature. It's also corroborated inexplicitly by Popper in "The Open Society and Its Enemies" towards the end. Failing to assert position that leads us to continued systems of oppression and a constancy of ennui within the zeitgeist, and a zeitgeist itself which is quite probably unhealthy as it inherits inertia and in being resistant to change it is constantly misdirected which we see everywhere constantly.