Gerry Catena got Casella a pass. Casella did a piece of work for him through Marco Reginelli. at least that's the story, it also probably had to do with his time in the can. Considering that the difference in the Caponigro situation, it wasn't a scheme by the Genoveses, so they end up with with Scarfo as Boss. Win-win for them.

Stanfa on the other hand was protected by the Gambino's in that situation but I still believe he was involved