The muzzies have been marrying their first cousins for 1500 years - of course only when forced to by local shortages of goats, sheep and 14 year old boys. In the great gene pool scheme of things, these sand roaches have been circling the drain for centuries.
Heh—and here I thought no one knew this but me! It’s actually rather ghastly when you think about these pathetic children being born with all the potential for madness and disease. But the World Health Org must be aware of it, and is keeping it quiet.