It doesn't make sense. If there is a collapse in demand, prices will follow.
It's also reasonable to expect prices to go down if there is a productivity boom.
It's also reasonable to expect prices to go down if there is a productivity boom.
https://www.oxfordeconomics.com/resource/bifurcated-how-the-...
The op didn't say that scarce goods would become something only the rich could afford, they said no one would buy anything.
Prices can only go up because to do otherwise harms shareholder value. None of the COVID inflation prices have come back down even though supply recovered. Prices continue going up.
Housing breaks that somewhat, but on average people consume more of it (larger, higher quality spaces), so it isn't really apples to apples.