How exactly is decentralisation related to the idea that there should be no governments? That said, governments are just organizations and very powerful organi

How exactly is decentralisation related to the idea that there should be no governments? That said, governments are just organizations and very powerful organizations at that. Like any powerful organization, a government can become corrupt or tyrannical and start working against the populace. It is always a good idea to keep it in check so that its power cannot grow boundless.