I never supposed that humans came here by only one route, and I suspect, as more artifacts are uncovered (who says “global warming” is necessarily a bad thing?) we’ll learn our knowledge about human migration was/is totally lacking in imagination.
Jus’ sayin’
‘Face
;o]
:^) Isolationism is and always has been a political construct, hence is analogous to more recent BS like COVID, AGW, "fact checking"...