He's just one of many such "dry" snitches who have permeated the underworld over the years. Lefty was a jerk off. Essentially a Jewish "frontman" who really didn't fit into the equation except for the casinos he managed for mafiosi. An "outsider" so to speak.

Nobody is questioning that there are plenty of rats, uncover rats, and blatant rats.

But what's that got to do with what I said in my previous statements? Nothing.