A clean sample can sound stronger than it is. Someone checks a handful of items, finds no exceptions, and the sentence wants to become broader than the evidence: the process worked, the control operated, the population was clean. That sentence is where I stopped trusting the product unless the math had the same status as the API. If a compliance audit sampling tool emits a confidence claim, the confidence procedure is production code. It needs adversarial tests. A formula in a notebook is too...