I am an atheist - that is to say I don't believe in (or accept the existence of) a God, or gods, or 'inspired' writings. I do accept that belief in some sort of supernatural beings can bring comfort to people, whether they're 'christians', 'muslims', 'buddhists', or whatever, and I acknowledge and accept that their beliefs are important to them.
I have come to accept that there is no point whatsoever in challenging those who hold 'religious' beliefs - whether it is the Bangkok hooker who lights incense sticks at the shrine at the entrance to a soi where she's going to ply her trade or a pilgrim to Jerusalem who believes that they're going to see a 'holy' site.
There is no reason for me to discuss anything to do with religion with those who practise it. Their religion (whatever it may be) precludes them from exercising rational thougt. Many people who believe in religion seem to me to be able to 'shut off' part of their brain.
I have, in the past, tried to have rational discussions with JWs. I have tried to have rational discussions with members of my family (evangelist fundies). There is no point, it is a waste of my time and theirs. We all smile, mouth platitudes, and walk away to our own lives.