While I haven't read the actual scholarly anarchist stuff, I hung out with some bookish lefty radicals in my college years and early 20s. What I saw then was a lot of attempts at alternative and non-hierarchical forms of organization, all of which seemed to evolve into something that could fairly be called government, if these attempts got far enough before falling apart.

> These all can be managed without government should the people want it

You say this as if the predictions of a social theory are as reliable as those of Newtonian physics. I don't think they are. And because I know of no historical example of an industrialized society functioning sustainably without a government, I tend to doubt a theory that says it's possible. Because if it was, you would think somewhere, somehow, it would have been successful already.