> have zero exposure to the culture of that country.
Even when that’s true—-and it often isn’t--they usually mean that they’re part of a specific American subculture.
Italian-Americans, for example, traditionally celebrate Christmas Eve with a “Feast of the Seven Fishes.” This dinner isn’t traditional in Italy, but it’s also not common in other American cultures either. An Irish-American family might have a turkey instead but they’re more likely to “observe” St. Patrick’s Day by eating soda bread and corned beef.
Even when that’s true—-and it often isn’t--they usually mean that they’re part of a specific American subculture.
Italian-Americans, for example, traditionally celebrate Christmas Eve with a “Feast of the Seven Fishes.” This dinner isn’t traditional in Italy, but it’s also not common in other American cultures either. An Irish-American family might have a turkey instead but they’re more likely to “observe” St. Patrick’s Day by eating soda bread and corned beef.