Each other, that is. Here's a blistering assault on Richard Dawkins from a fellow non-believer, David Sloan Wilson:
Time will tell where Dawkins sits on the bell curve of open-mindedness concerning group selection in general and religion in particular. At the moment, he is just another angry atheist, trading on his reputation as an evolutionist and spokesperson for science to vent his personal opinions about religion.
Ouch. A Science Blogs discussion thread on the piece is here.