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.
Israel no longer has allies in Egypt and in Tunisia, we are saying to the Zionist enemies that times have changed and that the time of the Arab Spring, the time of the revolution, of dignity and of pride has arrived.