Northern Italians are looked at Different cause they do not have the Same cultural ethnics Northern Italians are Different in Everyway the Dialect Food Looks they eat Polenta for Christsake ! And the reason why Mobsters of Northern Italian Descent like Scarpa and Flemmi were Frowned Upon is cause they were Know. informants and they didint go by the Rules in every shape and form what gangster has his Whole Crew at his house on a daily basis and what gangster has 4 wives and forces his Sons in to Drug Dealing cause he didint wanna Dip in you his Pocket Northern Italians are also Cheap and they are not as Gracious when it comes to Formalities they are like the American Italians of Italy ! Yes they have a better Economy but that is because they are Money Hungry I know Sicilians are tight asses as well but Sicilians are Different I hope I answered your question MolochioInduced