The claim that intelligence might not be the primary determinant of a fitness function doesn't seem so extraordinary. What if the neanderthals were a bunch of E

The claim that intelligence might not be the primary determinant of a fitness function doesn't seem so extraordinary. What if the neanderthals were a bunch of Einsteins, but they died out because they spent too much time thinking instead of hunting? All we really know is that "we" (that is to say, we homo sapiens) out-competed the neanderthals during some local maxima of the fitness function when the maximum selection pressure was in our favor. It says nothing about our relative intelligence.