That is not what 'pretty' means, FYI (check the dictionary definition, which in the case of the OED gives "somewhat" as a synonym). It's sometimes used to conve

That is not what 'pretty' means, FYI (check the dictionary definition, which in the case of the OED gives "somewhat" as a synonym). It's sometimes used to convey a stronger proposition via understatement, but that doesn't come across in your original post. Nor does it jibe with the rest of what you said (e.g. that the Khoi San are "more or less" the same as the rest of humanity). I'm glad we agree on the rest.