> And of course in practice the insurance companies cheat and don't save enough, so people don't actually get paid.

Or changing conditions throw off their actuarial tables, making the company insolvent when reality intercedes. Those changes could be as obvious (at this stage) as climate change, or as subtle as a long-standing practice of preventing forest fires, which while seemingly preventing property loss to fire is actually creating an unstable system which has the capability for much larger destruction than the typical fire.