That would be called being biased on where you stay and having not traveled to the other countries is his point. He is saying had you, you'd have probably shifted your view to some extent. and that is merely fact.
Not at all.
I gave multiple groups 10s. I've lived in multiple world class cities.....I know what upper echelon beauty looks like for any race. Brazil or wherever probably has their fair share of beauties but I feel confident in saying the AA women in places like Atlanta, Houston, Detroit, DC hold their own anywhere.