They care about culture, not ethnicity. They particularly dislike the establishment of areas ("Little Foo" or "Foo Town") that don't speak English or that follo

They care about culture, not ethnicity. They particularly dislike the establishment of areas ("Little Foo" or "Foo Town") that don't speak English or that follow a relatively uncooperative religion. The relatively unified culture of the USA has long been a huge strength, minimizing conflict while allowing easy in-country trade and movement of people.