> In order for that to work you would need nearly 99% of the population or more to agree to that punishment and to actively participate. Which is a lot more than required in a democracy or pretty much any system.

But it has happened in the past. Never underestimate the power of groupthink to do horrible things to minorities.

> Somalia is a collapsed society, not really a good example of anything.

No better place, then. Nothing for the anarchist utopia to compete with.

> Libertarianism is counter-intuitive for most people

No, it isn't. Not from what I've seen both online and off.

> People would defend their own property or pay into some private legal system that promised to do so.

We've tried this and it didn't work.