>>211880495 (OP)"modern" humans had existed for at least 300k years while the oldest human remains found outside of africa are over 200k years old, add to that that the rate of mutations only increase after humans left africa (not to mention the admixture of other species like neanderthals) and what you get are at least 2 different species who are considered as one only because of genetic compatibility (the same is true for neanderthals) and muh cultural/political stuff