Please show the logical steps that lead from Darwinism to atheism. Be careful not to confuse lack of faith in the bible with atheism. AFAIK not even Dawkins has ever made this deduction.
Another has said quite well that he could not imagine a more cruel and inhumane mechanism for a just and merciful God to bring about life in its many varied forms.
I am at work now so apologize for the lack of precise source. If you doubt what I'm saying I will gladly find the book and post formal citations.