Umbran said:The biggest flaw is that most folk (even in D&D worlds) are not presented with events quite as remarkable and unexplainable as unconsumed yet burning bushes that speak and transform sticks to snakes. His argument holds pretty well for Moses - his is not merely a case of confirmation bias, but holds poorly for anyone but Moses. His point simply doesn't scale to the world at large.
The fault isn't that he presents a "cogent" structure, but rather that his primary source is a book of myth that, by its nature, is based on faith and promotes faith. It's a circular reference.