Truth be told after sonny got that 50 year sentence, and then got out I doubt persico saw him as a credible threat considering the heat on sonny as well as his constant returning to jail. With moose out in vegas also I don’t see it stacking up. That life is full of a healthy amount of paranoia to keep on top but I don’t see it. Both moose and sonny were bonafide heavyweights in the Colombo family though with a lot of hits behind them: