What does “EEE” mean in this context? End to end?
Adopt an open standard, add proprietary bits so that content worked best (or exclusively) on their own version, and force other players and competitors out.
I'm terribly sorry, I could not resist.
in fact, i've got my win10 box set up for dev, and it's nearly identical to my mac! it wasn't 100% straightforward, and to get windowed emacs working from the cli took a little twiddling, but overall in less than a few hours i had everything running flawlessly. :)