The Nazi Jew killing was anti Darwinian. They would have won if they had the bomb and they not lost them to us, the melting pot. We don't play the race religion or social status game that had developed to the same degree.
To say that is the way it has worked from the time of a nit on a gnats ass is not an excuse for us. We know better. Markets have allowed us to "evolve" with wealth being one of the the new survival of the fittest measures.
whether you wish to deny it or not, religion has been the major influence on all national models. come on, surely you know this? name me one civilization that did not have religion? just one?