> Mega is big enough to buy entire islands, and be its own country. A corporate country. One with a very specific constitution, enshrining rights, but also?

It's a charming thought. But it can't possibly survive the brute reality that the world is full of people with guns, planes, drones, boats/ships, missiles, etc., who feel entitled to call the shots, and sometimes to take whatever they can from whomever they can.