Earlier quoted context omitted.
No, but his problem actually points to this being a problem for anyone. It becomes a problem when the machine requires all of my dexterity just to accomplish a given task. I dislike all Apple products specifically because they require mouse operations to accomplish things where Linux and MS interfaces tend to have keyboard shortcuts.
In my experience, OSX has much better thought-out keyboard shortcuts than Windows does. A simple example: you'd like to force-kill the focused application. In OSX, you type command-option-esc (one hand), return, return (other hand). I don't know what it is in Vita, but in XP, it would require quite a bit of mousework.
And there's always alt-f4.