It wasn't iCloud specific, although that didn't help. More just a general sense that with every iteration of OSX, the operating system got just a little bit slo

It wasn't iCloud specific, although that didn't help. More just a general sense that with every iteration of OSX, the operating system got just a little bit slower, just a little bit more unstable, the human interface standards just a little more inconsistent and unclear, and you'd have to wrestle with more built-in systems like the Mac App Store that locked things down for Apple's convenience.