Probably millions of Americans got up this morning with a cup of coffee a cigarette and a donut. No wonder they are sick and fouled up.
Beauty is desired in order that it may be befouled not for its own sake but for the joy brought by the certainty of profaning it.
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.