[I'm not sure what you mean, unless the 'one thing' is something like 'professional specialization, finding unoccupied niches that fit our never-before-realized individual combinations of genetic traits, and deliberately creating new variations across regions of the world in order to try doing things different ways in case the baseline of Civilization is doing it wrong'?]

[I'm not sure what you mean, unless the 'one thing' is something like 'professional specialization, finding unoccupied niches that fit our never-before-realized individual combinations of genetic traits, and deliberately creating new variations across regions of the world in order to try doing things different ways in case the baseline of Civilization is doing it wrong'?  We do all breathe oxygen, but we don't have much choice about that.]