I agree with almost all of this except perhaps the bit about keys. I freaking love the way all app preferences share key combinations.

“Should you dump Linux and join me in darkness? How the hell should I know? :-) I’m just sharing my two cents - if you’re happy using Linux you should definitely stick with it. Obviously I wasn’t and there weren’t that many alternatives lying around.”

http://batsov.com/articles/2013/09/09/from-linux-to-osx-1-year-later/