All political movements are like this – we are in the right, everyone else is in the wrong. The people on our own side who disagree with us are heretics, and they start becoming enemies. With it comes an absolute conviction of your own moral superiority. There's oversimplification in everything, and a terror of flexibility.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
What society doesn't realize is that in the past, ordinary people respected learning. They respected books, and they don't now, or not very much. That whole respect for serious literature and learning has disappeared.