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I'm not sure if the Earth is large enough to distribute 8 billion humans into sufficiently separated small groups, and such a scheme isn't even on the political

• hutzlibu 9y ago
  I didn't say there need to be a big space separation, nor clearly divided groups, just that the general people you interact with are in general familiar and not randomly strangers who change all the time. So a more tribal way of living in the cities is possible, I believe. But .. actually there is also enough space on earth left ... poplated areas are very dense compared to big open lands.