Earlier quoted context omitted.
Why Italian Americans instead of just normal Italian? Aren’t Italian Americans just regular Italians? Or are you asking about the customs of Americanized Italian families or people who were born and raised in America but with Italian ancestry?
Are you a non-American? It is typically the custom of Americans to hyphenate our ethnicity and claim descent from some European country or another. (Or African or Asian, or wherever the family had migrated from.) Indeed, an Italian-American is not a "regular Italian" because they enjoy neither citizenship nor residence in that sovereign territory. Italian-American cuisine is also unique, and distinct from "regular It…
> but c'mon: tomatoes originated in the Americas!
Yes. But they were brought to Europe like right after Columbus landed and have been part of Italian and European cooking for longer than the US has existed. So you only sort of have a point here. (Same for corn, eg. polenta )
I mean, tomatoes are definitely a big part of Italian cuisine, despite any differences that American Italians introduced to the menu.