"evolutionary psychology is like its cousin psychology - not really a science yet, as it has no real predictive power that defines a good theory.

(That is, there is no psychological theory of behavior I am aware of that predicts anything about people in the same general way that physics predicts a ball will make a sort-of-parabola when you toss it. Evolutionary psychology has the problem that too often the people doing it base their premise on a very narrow range of societal possibilities). "