I've also seen this attitude in discussions of new user interfaces for computers. Whenever some new GUI show up here (or yet another post shows up about that a

I've also seen this attitude in discussions of new user interfaces for computers. Whenever some new GUI show up here (or yet another post shows up about that awful 10/GUI system), many people get defensive or dismissive about the idea that some thought should be spared for those without 20/20 full-color eyesight and normal dexterity.