Women heavily select for intelligence when choosing egg donors. Eggs from high SAT donors go for many times more than normal. Then again, choosing an egg donor is much more cerebral than choosing a man. Not nearly as hormonal as sex.
Some women are selecting for intelligence, but they are rarer and more difficult to find and the increased acquisition costs also reduce the probability of creating offspring.
When the law of large numbers takes over, it's all probabilities. Consider life itself, which are more numerous: Intelligent species or unintelligent species?
The same math applies to the human species itself.
It simply takes too long to evaluate intelligence and that increased time to analyze the male by the female means the males could die."
This presupposes that women are selecting specifically for intelligence - or, said slightly differently, that maximizing (rather than merely satisficing) for intelligence is a better evolutionary strategy. Is that true in practice?