Of course the real issue Rush is concerned with is not birth control. That just happens to be the mechanism he is using to fight for the real issue for which he is concerned, sexual liberty. Birth control will allow single women to have sex out of wedlock, and that offends him as an aging, white, male conservative.
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