Gravano only got what, 5 yrs, because the gov't wanted him to narc on all his buddies on RICO violations (which he did over 200 times). He was connected to that thing of theirs, and williams was a street thug. Its not fair, but that's the gov't for you.
Sammy is now doing 30yrs, alongside his wife and kids, for dealing MDMA. :machinegu :coke: The majority of Sammy's hits were sanctioned, and Castellano and Gotti were using his talents all over the place. Nevertheless, both gravano and williams were both braindead.