When you see these things switch especially at night in your peripheral vision, it can be a bit jarring, especially if you suffer from vision issues.
Hell, make billboards illegal period, as a few New Wngland states do.
I think it's baaaarely in the realm of science fiction right now, but I'm sure someone is working on it.
Maybe it will be someday -- I'm not entirely sure if it's fundamentally constrained by the physics of it, or how much further engineering progress can improve it. Curious if anyone here knows.
>just about every other display tech came down in price by a factor of 10 a few years after it was invented.
No, the successful display techs came down in price. The commercial flops that nobody hears about are the same price as always (i.e. astronomical), because they have no economy of scale.