Quite possibly, this is the cruelest thing that you could do to someone. Particularly when you don't understand it or only know part of the truth (at best), anyway. Let people live; let people learn. (Those are not my words but well said.
Not everyone thinks the way you think, know the things you know, believe the things you believe, nor acts the way you should act. Remember this and you will go a long way in getting along with people - Arthur Forman
People with good intentions make promises. But people with good character keep them. Keep your promises, and I promise to keep my good character. Do we understand the logic here. A promise is a promise :-) *m