but if you are going to quibble and point out myths and misconceptions, why not just tell the whole story instead of half of it. If you eat in a restaurant, and

but if you are going to quibble and point out myths and misconceptions, why not just tell the whole story instead of half of it. If you eat in a restaurant, and they tell you "cards only", you owe them money, and your cash is good. "good for all debts, public and private" has a meaning that is not vitiated by a "no cash" policy.