It's quite inconvenient and moreover I do not believe most Christians understand the significance: Take away all moral axioms, for which atheism is unable to account, and you cut all moorings for a just society. The atheist in this case is attempting to claim victory not realizing even the very laws of logic he must use to make his case cannot be accounted for under his worldview. Game over.
Lt. Dan: Have you found Jesus yet, Gump?
Forrest Gump: I didn't know I was supposed to be looking for him, sir.