I said “aside from the slightly larger display”. I also work with lots of documents, but I don’t think an extra couple of inches would be that helpful there. It’s not so much bigger that I would benefit from a 2x2 grid rather than just having two docs side by side and switching between spaces. I’ve found a good window manager is much more helpful in this regard, and when I do need more space for multi-doc stuff I plug into a much larger external display.
Where the extra space would be more useful (to me) is working on single-window applications that need a larger canvas and have a lot of toolbars and timelines (photo and video editing tools, Ableton, that sort of thing).
And I disagreed, you can not dismiss the key difference just because you want to