I could easily believe that religion could enhance health and hence survival, and that therefore there could be indeed be literally Darwinian survival value, Darwinian selection in favor of religion. None of that of course bears at all upon the truth value of the claims made by religions.
Richard DawkinsI have no explanation for complex biological design. All I know is that God isn't a good explanation, so we must wait and hope that somebody comes up with a better one.
Richard Dawkins