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OS X is not a "toy" operating system. It's just really overrated. I switched from OS X to Windows 7 and 8.1, and I just feel like Apple doesn't really give 10 cents about the Mac side of things.
I get that sense too sometimes, and it is frustrating. Apple's A-team is getting stretched quite a lot these days it seems (iOS, watchOS, OS X, and dealing with new hardware), and while Apple might get most of its profits from iOS, the moment they drop the ball on the Mac and OS X they'll lose the ecosystem. They're sailing close to the wind now in my opinion...