Many people have a built in disgust for this and are intuitively repulsed by the idea, I'm one. This just goes to show that there is a 'cultural instinct' at the root of much of our behavior and that this instinct differs across cultures.
These differences must be preserved for the sake of human biodiversity and we absolutely must separate on cultural lines and shut the borders dividing those cultures, then defend them by force of war.
This sub is supposed to be about eugenics. My suggestion doesn't require you to marry your cousin, but doesn't prevent it either. So if it disgusts you then just don't do it. But a eugenic religion should focus on what is eugenic, not on what disgusts people.
My suggestion would certainly contribute to human biodiversity by breeding a new group.
Is it not likely that the stock most needed for your program will not assimilate into an environment where the overall 'culture' disgusts them. Family-shagging is a contributor to the IQ deficiency in certain groups, why would anyone want to join that group?
Is it not probable that your suggestion could add another mutt to feed, house and protect, which also has the tendency to turn on its carer?
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