I suspect the point is that all NP-hard problems are equivalent to each other, often one can be transform one NP-hard problem to another. This shows that quantu

I suspect the point is that all NP-hard problems are equivalent to each other, often one can be transform one NP-hard problem to another. This shows that quantum will not save us. This is bad but also good for encryption. NP remains an important topic post-quantum that cannot be hand-waved away.