No, no - we can't have that - so slap a little "joy in the next life" on 'em, like Jim Jones, and you nailed it. But, of course, there ain't no philosopher like a Buddhist/NewAge philosopher:
“Miscegenation should be prevented, because there is evidence to show cross-breeding between individuals of widely different race is biologically unsound.”
-- Aldous Huxley, Complete Essays: Vol. 3, 1930-1935
Man, I love these guys,....