Sometimes, a redemption story gets so caught up in the swelling music and the dramatic close-ups that they forget the part where the characters actually change.
If you would have told our ancestors that one day we'd be using plastic cards and paper bills to acquire our daily needs, they probably would have said, 'Why? Is violence obsolete in the future? Also, what is plastic?'
Those people in your history books were busy doing things for you to read about in history books. They weren't subject to dumb fads. Theirs were ridiculous.