I feel there’s some rationale to it. I used to have a lot of sprawling monitors, but I found I’m just much more focused with a single laptop screen and being able to just switch panes.
I know exactly what he's talking about as somebody who ran a win7 and Linux VM on a 4gb MBA. I had to be incredibly choosy about what I kept open at any given time or my system would keel over. It enforced discipline that I just didn't have normally which helped keep me organized.