Just because someone does not have a degree does not make them uneducated. I know pleanty of "educated" people who are extremely ignorant. (one person I privatly regard as uneducated and illiterate is a sitting judge)
Rush's positions are thought out and he is at the very minimum learned in his area of expertise.
True, and there are some young people who are very wise, but RL understands say, world history like my 6 year old granddaughter understands married life. Sure he reads a lot and talks to lots of neat people, but he also has a habit of shooting his mouth off before his hired help can rein him in.