Earlier quoted context omitted.
Full-screen mode did nothing for me. I can enter and leave full-screen instantly. It added the kind of speed bump that has room on the side to be perfectly circumvented. I don't think it's possible to create a distraction-proof UI that is also user-friendly.
Books are a distraction-proof UI. Their simplicity focuses you only to read. Magazines and newspapers are books plus distractions. Ads divert your attention. Thoughts in newspapers must be hunted like a wild animal, scattered all over pages. Books only compete with external distractions, such as noise, or you're own thoughts. You can build a distraction-proof UI on a computer, but all parts must cooperate. If a singl…
The problem, then, is that the OS is interested in helping you multitask.