Why? His data is from the outside and so is a generalization... But that's what are government is about... the majority. I'm from the US. i tend to agree with you. I believe overprotectve schooling and parenting (in general) has led to this mindset.
I agree he shouldn't generalize in principle, but as an American I complete agree with everything he said. We are somewhat conditioned to binarize information by a two party system.