Mourdock's thinking is rather incomplete and inconclusive.
God could be allowing certain failures while people progress and become more domesticated. It'd probably take a really long time to domesticate an animal with a big brain like a human has. Of course, people like to use evolutionary theory to excuse their personal lack of progress.
http://www.psychologytoday.com/blog/...ny-maladaptive
But what came first misogyny or religion?
My bet is sin came before either of them and misogyny is just one manifestation of sin.