The emergence of human sociability defies modern genetic models. Nonetheless, out of all the irreparably flawed assumptions in anthropology, one of the least flawed is the premise that intelligence and sociability probably had a complex, interconnected evolution.
Given that not only can we not explain our sociability, but that it's emergence seems nearly impossible according to our understanding of genetic natural selection, then opining on the dominant factors that drive modern intelligence, let alone drove our intelligence hundreds of thousands of years ago, is a hopeless endeavor.
Anyone providing answers to such higher-order questions could only be correct by accident. We have no way of assessing the validity!
Given that not only can we not explain our sociability, but that it's emergence seems nearly impossible according to our understanding of genetic natural selection, then opining on the dominant factors that drive modern intelligence, let alone drove our intelligence hundreds of thousands of years ago, is a hopeless endeavor.
Anyone providing answers to such higher-order questions could only be correct by accident. We have no way of assessing the validity!