David Reich claims that whilst we don't currently have any evidence to suggest that one particular population group is genetically more intelligent than another, the claim that such a thing is impossible or even unlikely, is also incorrect. Theres currently not much evidence either way and there's no theoretical basis on which to decide there aren't any such differences either.

At the same time he highlights the importance of respecting all people as individuals when treating with them, irrespective of the distribution of various characteristerics among their population groups.