Christianity was never intended to be made up of mindless and robotic men and women. People can come to different conclusions without being sinful in doing so.
The soul that sins shall bear his iniquity. How does a man bear his iniquity? The answer is quite simple: by suffering the consequences of those sins.
There are many things in this life that are not sinful in and of themselves, but when they are misused they can be deemed as sinful or harmful.
