It isn’t the sort of bad argument that gets refuted. The best someone can do is point out that there’s no guarantee that MNT is possible. In which case, the response is ‘Are you prepared to bet the human species on that? Besides, it doesn’t actually matter, because [insert more sophisticated argument about optimization power here].’ It doesn’t hurt you, and with the overwhelming majority of semi-literate audiences, it helps.
It isn’t the sort of bad argument that gets refuted. The best someone can do is point out that there’s no guarantee that MNT is possible. In which case, the response is ‘Are you prepared to bet the human species on that? Besides, it doesn’t actually matter, because [insert more sophisticated argument about optimization power here].’ It doesn’t hurt you, and with the overwhelming majority of semi-literate audiences, it helps.