This reeks of scientific racism. Since they claim evolution can affect the human mind over scales as short as 10000 years (which is conveniently similar to the

This reeks of scientific racism. Since they claim evolution can affect the human mind over scales as short as 10000 years (which is conveniently similar to the time scale of pre-historic human migration), are they saying that patience (and assumedly other cognitive traits as well) will vary between groups that were mostly separate for such periods?