Come on, this isn’t some random other species; these are very near relatives living only 10-30K years ago. Just how much do you think brain architecture changed over that period? Clearly something went wrong with them, but I don’t see why we should assume that would be lower intelligence.
Come on, this isn’t some random other species; these are very near relatives living only 10-30K years ago. Just how much do you think brain architecture changed over that period? Clearly something went wrong with them, but I don’t see why we should assume that would be lower intelligence.