Beware of relating correlation with causation, effects in economics are often late and difficult to relate to its real causes.

In your 2nd paragraph;

I think that is kind of a misconseption. You hardly will find any ancap (a properly readed one) that will defend the state as we know it nor any form of it, becaus it is not based in voluntary cooperation, I belive that would be a point in common with other anarchys variants.