The atheists have all the best arguments. They find the religious world utterly indefensible, both morally and intellectually. Thankfully the God the atheist denies is not the God that people of true faith affirm.
How do you deal with two peoples who are suffering from PTSD? Well, we know what you don't do. You don't try to coerce them into situations in which they perceive themselves as vulnerable to re-experiencing the insecurity and pain that caused the trauma in the first place.