Oh, if only it were so easy…
But there are three main components to this. First, the oldest one, is protection. We can argue how effective is it (or ever has been), but the truth is that to engage in proper division of labour (and thus prosper), people need to feel secure. Physical security is primal need, but the more speciality (niche) work you do, the more secure you need to feel. Every entrepreneur knows that - the failure is integral part of success and if you don’t feel comfortable failing, you’ll never get through.
The second one is directly rooted in this. To be successful in your speciality, you need to be able to offload other responsibilities. This seems intuitive, but as the labour gets more specialised, it starts to get increasingly difficult.
And third, to be able to build on above mentioned things, you need some trust in the system. Current nation states creates this trust through the sense of belonging. The nations are totally artificial construct, but it turned out they are highly effective. If you are to place your trust in the system, you need to feel that you belong.
If we look for viable large scale replacements of states, we need to fulfill these three key pillars. Our modern society is highly specialised. It would be easier if we were at level of Vikings for example, but we are not. Any society based on any modern technology needs to be highly specialised. I sincerely doubt that any of us would be of any use in medieval village, that means if we want to build parallel structures, we need them not to be suitable for medieval villages.
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