For Shame! Kicking the “Out of Africa” thing out the window /sarc
For most of the past 2 million years, the ocean levels have been much lower than today, meaning most of the time our ancestors (in any part of the world) were down on what is now the continental shelf. That's where the liquid freshwater was, that's where the food supply was plentiful, and that's where the seagoing transportation was feasible. Even today, after how much time? and with remarkable modern technology, most of the human race lives within 500 or so feet of sealevel.