Once believed in, a supernatural deity is impervious to worldly affairs. Your town could burn down. Your mother could make a million dollars and then lose it all again. You could watch wars and diseases come and go. None of these experiences directly contradicts a belief in a deity, because supernatural entities are evidence-proof. And while atheists see this as a bug, it can also be a feature. The robustness of spiritual religions means that the shit could hit the proverbial fan, and your psychological stability would remain intact. Hope can be preserved because God is always preserved.