Is it all that different than DNS, in that top level domains are owned by a certain 'gentry' and everyone else pays rent?
You don't have to pay for namespace in urbit btw only if you want a permanent handle (and when you buy a planet or whatever its yours, you don't pay monthly for it, but yes you buy it from someone who was granted ownership by king curtis)
Oddly enough, it seems that every time a self-selecting population of lunatics and sociopaths attempts to bootstrap a New Society, it proves their theoretical framework wrong. How curious… well, maybe next time!
Neofeudalism doesn't work.