I do the same (though not black, but plain solid colors) and it’s that much easier to quickly acknowledge windows borders or the lack of any foreground window (a popup left on corner of the screen on a busy desktop pic becomes a game to find)

That said

> You shouldn't let them seduce you into thinking that what you see on a screen is better than the vibrant world outside it.

This sounds like a red flag…I hope the author isn’t starting to burn out or in a utterly shitty environment where looking at the screen is really that much better.