Now, if the person talking to you wants to save you or preach to you, they have fallen flat on their face. you will not listen to them after this.
If one the other hand you disagree with them and tell them why, at the very worst you have agreed to disagree, at best they have started thinking
For the first "process" -- the end result is hatred, on BOTH sides -- as you may very well retaliate. And on an internet forum like this, it gets worse as this escalates.