Even simpler: What if Gödel never actually found a loophole? The only source we have is Morgenstern recounting an anecdote more than twenty years later. He may

Even simpler: What if Gödel never actually found a loophole? The only source we have is Morgenstern recounting an anecdote more than twenty years later. He may well have misremembered/misunderstood/taken out of context/embellished some remark that Gödel made. It makes for a good anecdote, but that doesn't make it true.