Cantor, while useful, simply pointed out the limitations of the ability of mathematics to match up to reality.
There’s us, looking down at the paper with the ‘infinite unrepeating diagonal”.
Not metaphysical. Simply reality that we choose to ignore. We eliminate ourselves out of the equation (tradition?). We’re still a part of it though.
Mathematics works so great it must be universal! Well, yes it’s great. But no, it’s not Universal. Can’t be.
That’s like saying, “The brain is like a computer.” No, the computer is like a brain. We get things flipped upside-down far too often.