Given the size of the African continent, I’d expect genetic diversity.
Was Mr. Reese paid by the word for this? He mostly repeated himself.
When writing a PR release, they usually write the quotes as well as the body of the piece...they spent a lot of time justifying the grant money, it appears.
The degree of genetic and linguistic diversity in Africa exceeds that in the New World Native American populations andthe Eurasian populations.
This is a phenomenon observed in other species where the area of origin of a particular taxon occurs.
In other words, one would expect this observation of Africans if Humans originated there.