The following comment was made by a Christian on another blog:
Of course, there are many … reasons people choose to disbelieve or walk away from God. We may have prayed for someone and they died, or we suffered some other tragedy and blame God for not intervening. It could be we want to be free from some oppressive version of religion that we experienced, so we look for reasons not to believe.
It seems to me it usually comes down to either being angry with God or not wanting to be accountable to anyone but ourselves.
My response to this statement was the title of this blog post.
Feel free to add your own …