People don't do theology in a vacuum but in a community with other theological thinkers, where there's jealousy, vanity, hurt pride, all those things.
People just don't realize how much peer pressure, the desire for peer acclamation, influences them.
As a teenager and a student, I totally cast away the Christian faith. I just believed it was stupid, and only stupid people could believe it. I actually became an anti-Christian, and very antagonistic.
The Church's teaching isn't an official statement, but the cumulative understanding of all the people who have loved and experienced Jesus through time.
Disaster movies do us the psychological service of forcing a quick march through the worst that could happen. At the end we see that you win a few, you lose a few, some cars are up in trees, and only the most attractive of the young people have survived.
Everyone wants to transform, but nobody wants to change.