Show me a link to that. I have made mistakes, but I can't remember or imagine saying that.
I recall saying many things on those threads, but not that.
Among other things, I often point out that Darwin got the idea for natural selection from studying changes brought about through domestication of plants and animals.
I have pointed out many times that natural selection is exactly the same process as artificial selection -- just lacking human intervention.
What I said about the Nazis is that they were motivated by religion rather than science. A scientific breeder would not kill off the best specimens and breed the worst.