This didn't seem like an egregious example, because I didn't sense it was meant to be taken all that seriously. "Just So" stories are alive and well in evolutio

This didn't seem like an egregious example, because I didn't sense it was meant to be taken all that seriously. "Just So" stories are alive and well in evolutionary psychology. How could you verify that X behavior came about because it helped humans get away from tigers in Africa 20 million years ago? It sounds plausible, I guess, if you take for granted that it must be explicitly coded for somewhere in the genome. But I don't.