When my Gramps watched that scene, he just laughed. The family tugging along was overkill. All they needed was ONE armed family member just to send a message for the boy not to mess up, as told to us when we were kids. Eventually when we visited our ancestral home in naples, that tradition still exists in some pockets of mafioso-controlled cities.
My hometown neighborhood carried on many traditions from the old country. I never heard about that one, though. :-)