Still questionable. Steve could have allowed the Mac to become "just another client," sure, but it could've been a professional-focused client. The fact that all your data was moving to the cloud for easier access isn't a negation of bringing that data back down to a more capable machine for production.

I mean, the post-PC era came, but it's not like our collective productivity went off a cliff with it, nor that the majority of our productivity moved to mobile. It's just moved to non-Apple platforms.