Gotti did not have to use the Decav's
He asked them to do him a favor and they were eager to please.

They never had the power and respect as the NYC five families.

Maybe it was worse because they were so close in proximity to the 5 that made it kind of like a slap in the face to them.

At one point the commission told them they could not make any more guys from NY, because if someone got passed over by one of the five, they would cross the river and easily get made into the Decav family.

With all that said they did have a seat on the commission back in the day