Sounds like the typical religious defense mechanism to me. Rather than accept that people are justified in not believing in god due to lack of evidence, they have convinced themselves that anyone that doesn't believe in god secretly really does believe.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell