It's inappropriate to pick a fight in public.
Vince is at a bar when he hears a terrible singer on the nearby stage.
Vince wants to let the singer know that he dislikes his music.
Vince leaves a note on the singer's personal belongings telling him that he needs to improve his performance.
Vince heckles the singer and calls him a girly wussy man that can't sing.
The singer resolves to practice more and improves.
The singer's fans gang up on Vince and drag him outside.