It’s not that human nature will get better with a frontier. It’s that it gets worse without one. The best scenario I can think of for a closed Earth is Singapo

It’s not that human nature will get better with a frontier. It’s that it gets worse without one. The best scenario I can think of for a closed Earth is Singapore but with more surveillance and a much more stagnant culture. Oh, and a very high rate of suicide and mental illness.