The humor is essentially dark for a cartoon and sophisticated. But at the same time, being a cartoon gives the writers more freedom than in a normal sitcom. It always pushes the line that, despite human failings, the Simpsons are really decent people
You know all my life I've hated funerals. The fuss and bother never brings anybody back. It just spoils remembering them as they really are. And when I see people actually facing it that way, I have to act like a sap.