Growth and acceptance definitely lead to the resistance of temptation, but in personal experience the path is not immediate. It isn’t impossible to hit further fragmentation on the route of trying to change yourself.

People tend to not like heretics. Resisting a temptation that is socially normalized will lead to people giving you shit for it. Your very presence now fragments their mind. Some people do not want to have to think about all the ways they can be changing themselves.

A classic example is how often people get peer pressured out of maintaining sobriety.