You're thinking of P=BQP (which still falls into the seems-to-not-be-true-but-we-can't-prove-it category, but physics runs BQP already, so we don't need P=BQP f

You're thinking of P=BQP (which still falls into the seems-to-not-be-true-but-we-can't-prove-it category, but physics runs BQP already, so we don't need P=BQP for BQP attacks like Shor and Grover to be issue).