You have somehow lurched into the truth. When one imagines that he's engaged in a glorious cosmic struggle against the forces of evil, it's degrading to get stuck with a mere biological theory as the enemy. True spiritual warfare requires that the conflict be waged on a grand, universal scale. Inflate the enemy! The more powerful the foe, the more heroic the warrior who rises to the challenge. The fate of the whole universe must be at stake! Nothing less will do. Thus, the enemy becomes all of science. Indeed, although almost never explicitly acknowledged, the enemy is reason itself.
The listener is invited to believe that the only sticking point is a question in biology, the origin of the diversity of life. Ergo, the speaker is not a kook. In fact, the speaker rejects cosmology, nuclear physics, geology, paleontology, astronomy, and probably geometry.