1. Not all are legally adults. 2. On many if not most campuses you can NOT "discuss anything you wish to". 3. In functional families parents (especially if they are paying part or all of costs) DO "have a say". 4. University is an academic institution (allegedly). You attend to learn ACADEMIC subjects. People aren't supposed to be overcharged at University to "learn about people who are different than you". That's part of life and those lessons are free. Unless you don't tolerate different points of view as Dr. Adams amply demonstrated.