Local Governments don't go to war with the city next to them.
You need people to group together to accomplish efficiency gains for people - we are far more productive together.
I'm also fine if there are local laws - I can move to the city across the state, or to another state rather easily.
Moving nations is pretty tough.
I think you going to the extreme to suggest we want no human organization. Central Government is the problem.
This is all being worked out now - decentralization is happening - just a matter of time. Laws/rules serve the rulers - always have, always will.