Because it's considered poor form (if not racist or sexist) to attribute someone's mistakes on a whole population group... unless the population group in question is "American".
It's probably a better problem to have than some of the other problems we might have though.
I'm totally down with attributing the worst things about America to America as a whole, even if they show up in other countries. We could use a little deflation.
It's probably a better problem to have than some of the other problems we might have though.