They suffer from "good-old-boy-itis". Not in the racist sense, but in the sense that they are a victim of themselves. It's kind of like campaign finance reform. The very ones who need to be controlled are the very ones who have to decide the change the rules. It ain't never gonna happen. The very people who need to be replaced with younger and fresher perspectives are the very ones who have the power to make the decision. They're not going to fire themselves.