Though 'demacratic' in theory (5 families, 5 votes) the reality is that historically it has generally been two power blocs. Lucchese, Gambino and Genevese v Bonanno and Columbo. The initial power bloc post Joe Bonnano's exile has held away since with the leading family within that bloc calling terms (Gambino, Chin).
As a functioning commission has not been around since the late 80's the issue relative since, is moot.