Nothing about zoning is supposed to be set in stone. And "change" is like squeezing a balloon. If you stop it in one way, it bulges out in other ways: unafford

Nothing about zoning is supposed to be set in stone. And "change" is like squeezing a balloon. If you stop it in one way, it bulges out in other ways: unaffordable housing for instance. Change still happened, just different from allowing the physical form of buildings to change.