Nonsense! Should come will definitely come! If it is self-occupied, is there a difference between one dollar and one hundred million?
Steel, cement, etc. can't fall? Does the car involve less? Steel, oil, electronics, glass, rubber, etc.? Take a look at the development of our cars over the decades! Two suites per car developed into a suite of several cars.
Nothing is immutable, and the only thing that can't fall is the rhetoric of capital licking the dog!