As man sows so shall he reap. In works of fiction such men are sometimes converted. More often in real life they do not change their natures until they are converted into dust.
As a precocious teen I dreamed of being Graham Greene. Well as it turned out I never wrote a great novel sadly and I never converted to Catholicism happily but I did do one thing he did. That is in middle age I moved to a seaside town and got into a right barney with the local powers-that-be.