Countries… Using mountains and rivers to divide people when mountains and rivers connect people culturally. These lines make little sense in so many places around the world. On top of it, most of these tribes are simply too big to manage effectively. Centralization becomes a necessity due to size, centralization makes corruption easier.
One of the reasons I believe Switzerland has become crypto friendly so quickly is that they have been dealing with decentralized power for hundreds of years. Does not make them immune to corruption, but somehow the process feels more inclusive of all voices.