There are exceptions to any rule in life. And in modern times rules have loosened much more than decades back.

But dollars to donuts, if a guy picked up his hands to a goodfella, if he didn't get his ass handed to him right then and there, I gotta believe that fella would be targeted for a serious beating as days, weeks, or months went on.

Especially if it became known to the general public and other street people. The borgata he was affiliated with would feel required to avenge the affront, regardless of how the particular guy felt about it. At that point its a matter of honor, or dishonor, to the entire family