I have the same thought for the last couple of years, but I was never able to articulate it in a short and poignant way. In my opinion, Marco Arment's comment is exactly on-point. The shift to mobile and mobile design dumbs down interfaces and removes "power users" from the equation. Especially on the Mac!
Just another left-handed, binge-watching tech geek who enjoys drinking coffee, playing video games and writing on the Internet.