Take the Romans. They had a god for every river, every door hinge, even a goddess of mildew. The moment science figured out what mildew actually was, that god vanished. That pattern repeats everywhere — gods shrink as knowledge grows. A volcano god was real to someone until geology explained eruptions. Today's God keeps getting squeezed into smaller gaps, the places science hasn't reached yet. If God were genuinely real, you'd expect him to show up consistently in evidence, not retreat every single time we learn something new. That trajectory is the strongest argument against him.