Its more than likely so, considering the money, the territory, and Vito beginning his ventures in the DR prior to his arrest. All of which the Bonannos had no piece of. You can also look at the funerals, prior to Vito's incarceration, there were no Bonanno presence at the funerals of Rizzuto soldiers such as Guy Panepinto, which took place merely months after the Sciascia hit. And vice versa with NY.