Poor old 'if' - that's a lot of weight to hang on such a tiny word. 'If' all that stuff, then the conclusion may be worth considering (probably not, but it's certainly not the end of the trail). If not, then there's nowhere for the argument to go except downwards in a pungent heap.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'