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You could solve the consent problem in at least some instances by having some full grown adult consent to be turned into all the historical people maybe. It would work except in cases where that's icky to the individual. But the "endless depth to hell" problem seems harder.
Imagine a ranked hierarchy of worlds from most utopian to most dystopian in utilitarian terms. Worlds that were. Worlds that could of been. Fictional worlds that never could have been. All ranked. Relative badass points to whoever injects themselves into them. Hell as sport.
