Earlier quoted context omitted.
> You lost me right here on line 1. I'm on Windows and can confirm 1. is an issue. Windows lets users scale UIs to be readable at high DPI on small screens. Doesn't work on all UIs (e.g. QGIS). So maybe not all OS's, but two important ones. > You could say the same for any arbitrary DPI; 96dpi isn't "Required", we got by fine with 72dpi. It's all about ergonomics as far as I'm concerned. I think the point the parent…
> I think the point the parent is making is that human vision has limited resolution. If you can't see the difference between 4k and 1080p on a 24" monitor, then you probably need reading glasses. On a 27" monitor it's even worse. It's not so much that you can "see" the pixels, sub pixel rendering and anti-aliasing go a long way to making the actual blocky pixels go away, the difference is crisp letters versus blurry…
Maybe, just maybe, one could talk about how crisp text appears on 4k _without_ being rude.