There is no doubt that religion had already waned under the onslaught of the Enlightenment but it was Freud who provided the radically new understanding of human nature that made any religious explanation of the whats and whys of our personhood seem naive.
We ought to recognize that we have an offensive responsibility to take the war to the terrorists where they are. That responsibility has waned in the last year as military and intelligence resources were withdrawn from Afghanistan and Pakistan to be used in Iraq.