The way matter is subatomic particles. The same thing at very different scales exhibit very different properties, and although technically true, it's misleading to consider governments as sets of people. They lack some essential features exhibited by individuals and small groups, features which we aptly call _humanity_.
The parent's proposal is to delegate stuff which require humanity to much smaller groups, which operate at scales where humanity still exists. It's a good idea, albeit not a new one: decentralization. It's very difficult to execute properly. Moreover, humanity isn't only composed of positive qualities: poorly executed decentralization easily turns into tribal clientelism.