Why does a desire for a natural explanation for miracles exist? Sure a star of Bethlehem might have existed, or been some aspect of an obscure system of astrolo

Why does a desire for a natural explanation for miracles exist? Sure a star of Bethlehem might have existed, or been some aspect of an obscure system of astrology in the eastern roman empire. So what? You need another explanation for turning water into wine and other for why Lot's wife transformed into a pillar of salt, and another and another. Is this a folklore form of zero knowledge proof or does each explanation quell just enough suspicion to keep the narrative from collapsing?