as an example, apple's new HMD advertises things that simply can't possibly be true, so we probably won't be getting one any time soon. there's zero reason to upgrade from a simple hp reverb g2 when the only difference between two blurry headsets is that one of them costs four times more. we'd rather be conscious of this than try to fix it when no solution currently exists
this isn't saying displays for tetrachromy should have been the norm, as that's very wasteful on most people. but maybe displays for tetrachromy could have existed, somewhere, in some market, just like tech devices with placebo-level specs tend to exist in some market