You are correct in stating that he was a "huge earner" and it is impressive(?) that he was on the Most Wanted List while he ran the family for a considerable period of time. The Mafia Cops are also an intriguing facet of his life.

But you know what is more interesting? Being a bone fide boss and spending little to no time in prison. I think his presence on the FBI's Most Wanted List attests more to his lack of ability as a "boss" than anything else. You say "outside of one or two people Casso wasn't killing random citizens." I say that killing one or two random people is sufficient to classify you as a paranoid sociopath when you have murdered many others who are not random. Yes, the vast majority of Mafia figures (probably) have murdered. BUT they are not insane like Casso, Anastasia or Gravano. No matter how hard you try to argue otherwise, there is a distinct difference between the aforementioned individuals and people like Carlo Gambino. Gambino murdered when he HAD to. Compare his life to Casso's. Yes, Casso was not a social worker. However, he is also a far cry from the Gambinos of LCN. He and his Crony Amuso can enjoy their days in jail and will hopefully garner the negligible respect they deserve when people look back.