PB, I'm not sure he was trying to be clever. I have seen this line of reasoning used in countless cases, most of them related to debate, critical thinking, logic and argumentative reasoning.
If you take the words Evolution, Atheism, God, Creation, etc. out of this article, he has written what most critical thinking textbooks state in the first couple chapters.
INBN.
No...he's trying to be clever by using classical dialectics to draw you to a pre-determined, un-provable conclusion.
To steal a line from Dennis Miller, "I can see through this guy like a used bar of Neutrogena."