Our feeling is that the most important thing on a set is that actors have enough confidence to try different things. If there's stress or tension, they won't go out on a limb because they won't want to embarrass themselves if they don't feel completely comfortable.
That's sort of what I felt... I miss drinking, I thought bars were truly holy places.
But the relationship of morality and power is a very subtle one. Because ultimately power without morality is no longer power.