People wince when something is in bad taste. They laugh when it's funny. If it's too dirty or wrong, they won't laugh. But if it's a big, dirty, smart, funny laugh, they love it.
As the director of an opera, it is my responsibility to unify the style of the particular performance, but one can certainly approach the piece from different points of view. That's what makes it interesting and keeps it alive.
Before I go on stage, I knock three times. Three is my lucky number; I once went into an audition and was number 333 and got the best part ever.