Segregating the world, period, based on whatever, is impossible without a coercive power that the existing nations of earth would consider illegal. Before you could forcefully migrate a large percentage of the world's humans you'd have to win a war with whatever portion of the UN stood against you.
If you could do it, no one would admit to having any values other than those which got to live in/own the nicest places/stuff/be with their family / not be with their competitors/whatever. The technology to determine everyone's
If it's worth saying, but not worth its own post, then it goes here.
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