Agreed. The Italians have kept their special honor and respect very close to their hearts. It has been their bread and butter since it first got started. The US Mafia dropped it many, many years ago.
If it's REALLY like that, then paradoxically the conclusion would be that it's better when people are after money then if the think about honor because in the USA where, as you say, honor is only in second place among mafiosi, there have been far less
innocent mafia victims.
Mafia "honor" = massacres of innocents