While eating during the meeting with Sosa and Omar, Tony ends the meeting by eating the lemon in the finger bowl, then Omar properly uses the finger bowl by dipping his fingers in to wash them.
Was Tony provoking them or does he truly not know the purpose of the bowl?
Does he want to provoke them by eating everything they put in front of him - note that he also cleans the plate of the previous meal that Omar barely touched - to show Sosa he wants it all since the world is his?
Or is he innocent and he truly doesn't know what the bowl is used for?