[Elsie]

In particular, Hitler's preference for only Aryan stock, had he succeeded, would have resulted in an impoverishment of the gene pool, which in nature is usually a bad choice for the long haul.

Are you saying that Aryan's are BELOW average then?

[mjolnir]

No, he's just saying that without genetic diversity, they would be more easily victimzed by diseases. That's why he was talking about how the plants we breed to eat wouldn't be able to survive in the wild http://www.mindfully.org/GE/Rice-Diversity-Yield.htm.