Just more of American's contradictions: Intemperance. Yet, they're expecting weight-control and health. America offers variety in almost everything.
Being "loud", "unhealthy", "overweight", "materialistic", and "dumb" are not limited to Americans. There is an equal number of foolish French People with their unhealthy "French Fries." It's easy to label or pigeon-hole people. For those who hate differences or fear changes, stereotyping is a short-cut to save time to know others and protect one's vulnerability. CM
PS. Stereotyping is the characteristic of a statistician's findings with samples too small. CM