The genes failed to respond appropriately and did their own thing for their own purposes whatever they were.
I have uncovered a certain Joan Roughgarden who attacks sexual selection in a 2004 book, but her premise is awful weak and narrow. And she has not appeared to set the scientific community abuzz with her views. Maybe in time her views will be accepted, but that isnt the case yet.
But also, this from someone who agrees with her fwiw:
http://www.huffingtonpost.com/patricia-adair-gowaty/was-darwin-wrong-about-se_b_2672827.html