The latter, obviously. It's interesting, and a fundamental datum in geology, astronomy, biology and other sciences. The theological question, OTOH, is really rather boring, will most likely never be resolved, is of interest to psychologsts and neurologists and so forth, but has no practical value. Understanding where believers are coming from may help in the War on Terror, but that's not the same question.
So your position is that God either doesn't exist or is irrelevant?