I've gotten away with a lot in my life. The older you get the more you realize you're not getting away with it, it's taking its toll somewhere. So you try not to put yourself in those situations. Part of the mysterious process called growing up. Some people do that better than others.
Science has to be understood in its broadest sense, as a method for comprehending all observable reality, and not merely as an instrument for acquiring specialized knowledge.
I always think that a director who knows about the technical side, but cares about the acting performances and casting as well, is ahead of the game.