Introducing OS X as the mobile Unix platform of choice on top of the first ever drop dead gorgeous notebook (The Powerbook G4 Titanium) declared Apple as the platform for discerning power users. Those power users could confidently brag about their systems, giving free advertising to non-power users. The halo effect of which can still be seen today, trickling down to Joe Coffee in your local cafe. How much longer that lasts in the wake of mis-steps like the touch bar is questionable though, even in the wake of massive unit sales to the broader public.
This article is about high end video / graphics users, and workstations are a slightly different use case. But not much. Once these users move off Mac, who is going to be left to champion the desktops?