Isn't the Luke's Jersey crew still going with the sons of some of the guys mentioned?

Did it ever come out some Luchesse informants mouth that Amuso was totally overwhelmed by Casso?

As, that seems to be stated as a fact.
I mean Amuso , wasn't boss for nothing. How do we know Casso's saying in his book that he turned down the boss job is true?

I think Amuso has been wrongly written out of his standing