Agreed. Also, consider 6(a) when Tony is in a coma. Who takes over? Syl. If Paulie was Underboss, he would have assumed the day to day operations.
This is why I think the title thing is a little ridiculous; titles are for the FEDS. Whether Syl was consilgieri or Underboss it doesn't matter; he was the number 2.


Frank Costello: Fucking rats. It's wearing me thin. Mr. French: Francis, it's a nation of fucking rats.