When I look at this I can’t help thinking that desktop UX reached its peak (or plateau?) three decades ago. What improvements have there been since System 6? Perhaps multiple desktops, tabs, and universal search (e.g. Spotlight) but those improvements feel more incremental than fundamental.
System 6, with a few small tweaks (I liked MultiFinder, but it could have been done better), is pretty much an ideal desktop interface aimed at work. The problem is that modern interfaces are there for people who either aren't working or who aren't paying attention enough to notice consistency (indeed, they can be confused by it). I witnessed today for the first time someone search the web from the Windows Start menu search box; I think most people have no understanding that what they're using is an actual, underlying system, but is instead presented from the internet. They want to type in a word, click on the first answer, and move on. Well-made interfaces get in the way of that.