I appreciate the larger-context link, but it's not very convincing. It doesn't even convince itself in the end:
Now, you might object that all this is well and good as a way for small groups of people to get on with each other, but managing a city, or a country, is an entirely different matter. And of course there is something to this.
I've gotten the exact same lecture from Libertarians. "Life would be perfect if everything was run via free-market capitalism!" But I'm similarly unconvinced because there's noting to indicate that at the inter-state level it would be anything but fantasy.
Unless your pitch is that Anarchy just means, "love thy neighbor"? In which case, cool I'm on board. But I think it's confusing to use an existing word with a meaning to mean something totally different.