[PeterPrinciple]

Long before humans even knew of DNA or gene’s we intuitively knew this and thus was born the concept of the aristrocry and why they only married each other

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And we got it wrong, In breeding is a useful tool but hybrid vigor is a better tool.

[TexasFreeper2009]

Only marrying other members of the elite class is not the same as “in breeding”

Ashkenazi Jews have been breeding exclusively with each other for 1,000’s of years and are proven to be far more intelligent.

It is a mistake to think that humans can not be bred like any other animal breed for certain desired traits.