Omone,
To answer your first question:
No, it wasn't; I think it was a "liaison officer" at the casino, specifically called upon to escort us (Ugly Americans) through the casino. Of course, only the far perimeters of the serious gambling rooms, etc.
He may have given me the Italian phrase to answer my question of how to we say it in America (in Vegas & Atlantic City). On my tour, it was France, Monaco & Switzerland. We only passed through, with a brief rest stop in Milan before heading to the Italian Quarter (Lugano), then the French Quarter, then back to Paris for our flight home.
It was a Paris to Marseilles, to Grasse, to Cote d,Azure, to Switzerland and back to Paris motor coach and bullet train tour. All you can take in...in 14 days.
I learned that Paris is truly wonderful; but...I liked Southern France much better. Of course, I only spent two half days their.
I learned, unless you are facing in the direction a bullet train is going, it's better to stand or move abound, because if I sit backwards against the forward motion, I get ill.
I learned that the French have wonderfully numerous ways of making a ham & cheese (jamon e fromage) sandwich; basically, there is a unique way for every town and city.
I learned on the Cote d'Azure that they love Italian pasta dishes as much as they love French Seafood and Provencal dishes, and that overall, Pizza seems to be King.
I learned lots of neat little tidbits about places, but traveling to 11 cities in 14 days does not allow you to really "know" anything about the people.
So, in answer to second question: (and by taking the most circuitous route to answer), no, I, unfortunately, do not truly know of the superstitious nature of Il Popolo Italiano. Though I've seen a few aspects of it in American movies about Italians and other Mediterranean cultures (especially Greek, because we have a great Greek enclave here in Tarpon Springs, Florida). I thought much of it was stereotyping and over-dramatization on Hollywood's part; but now, with what you mention, Omone, maybe they have "underplayed" it.