You are the only poster so far that understands the issue.
In many locations, house values will rise. The inflation of the house value and the devaluation of the dollar will both earn you money. The devaluations touted in the press are not universal
As a further incentive, if you invest properly, you should take the amount required to pay the mortgage and earn a higher return that 4.75% and the rate of inflation.
It requires work and attention but is the way to go if you are financially literate.
I have very little worry about my debts in the coming era of inflation. What I (and anyone else who gets it) need to worry about is keeping my income ahead of the inflation curve. If you are retired and on a fixed income you are in a for a world of hurt.