

The Free Market (holy be thy name) gives you the choice between $1/bottle for milk with chalk and bleach, or $10/bottle for one with less chalk and bleach. If you want one without chalk and bleach, you’ll need to find your own cow.
Also, the cows all have birth defects and need uranium-powered antibiotics to stay alive.
Now, let us open our song books to number 34: “Praise Hayek and His Perfect Mustache”.
Might not need anything except economies of scale. But getting that is the problem.
Tablet sized eink displays found a niche that couldn’t quite be displaced by smartphones and regular tablets. That let them have a market for getting costs down.
There would need to be a similarly wide use case to get the price down on larger eink displays.