It's a funny show. The characters are surprisingly likable, given how ugly they are. We've got this huge cast of characters that we can move around. And over the last few seasons, we've explored some of the secondary characters' personal lives a bit more. ↗
Our solution on 'The Simpsons' is to do jokes that people who have an education, or some frame of reference, can get. And for the ones who don't, it doesn't matter, because we have Homer banging his head and saying, 'D'oh!' ↗