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 crea

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.