That comment was not aimed at you in particular. Check some of the earlier atheists' comments and you will see the kind of thing I was responding to.
Consider also that relativism, the belief that anybody's version of "the truth" is as good as anyone else's, is if fact a dogmatic assertion in and of itself, and an article of faith in the secular religion of the Left, not a traditional conservative belief at all. In science, no one thinks that an infinite number of theories are equally valid. Why should we believe that regarding religion?