Also, the entire premise of this article and its poster is bogus if it cannot account for the astounding worldwide racial diversity found in today's populace.
Starting with incestuous inbreeding between eight related people (fewer, if they were not adulterous) and beginning after the iron age (viz Tubalcain) explain, O enlightened YECsters, our world's current diverse population mix.
Thanks for the ping, dear brother in Christ!