The law, even prior to state apparatuses, is a divisive and self-debilitating institution. It resists instinctual urges and drives. At this very primordial level, human individuals are already conflicted in and of themselves (again putting pressure on the whole notion of the individual). The point of all this is to suggest that humans are already, in fact, turned against themselves. The state is not the enemy of humanity, but merely the social manifestation of its inherent ambivalence.
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The divisiveness depends on the content of both the law and the nature of the people. I like to start with "Thou shalt not kill" as probably the most universal Law. Of course there's all sorts of contingencies people want to put on this: Thou shalt not kill those in
this tribe/country/family/state/race/etc.
I agree that humans are "turned against themselves" in many ways, and a subconscious and conscious understanding of this created Law. Turning to the state as a tool for application of the law is caused by misunderstanding the nature of the tool. Might fall under something like pathological altruism.
This isn't an argument that everything the state does is therefore just and acceptable, since that certainly isn't the case. It is an argument that the state - in its broadest definition - is not something that should be or can be done away with. If it is the enemy of the population, that is only because human individuals are, so to speak, their own worst enemies. There's nothing to be overcome by the removal of the state, and this desire appears (to me) as little more than a barely concealed desire for some kind of New Age cognitive revolution.
As long as people falsely believe the state is the best "tool for the job", then I agree that doing away with it is pointless. That's not a desire for a "New Age" cognitive revolution, where everyone suddenly (magically) gets along, thus making the state unnecessary as it's purpose is fulfilled. That argument assumes the function of the state is to benevolently guide human behavior to a higher mode of being, which it is not. It is merely the wishful thinking of some: that it's desired purpose and actual function are the same.
It's not going to be some sort of ideal happy world without the state, even in some future where the overwhelming majority of people do not hold conflicting ideas of morality for "us" vs "them". There will always be a segment of the population that simply will not care. That segment cannot be seen as an excuse for a state, as the state is the tool of that segment.