Anecdotally this is very wrong. I work remote and don’t have an external monitor a lot of time. When I do my laptop stays open as a secondary screen. When I’

Anecdotally this is very wrong. I work remote and don’t have an external monitor a lot of time. When I do my laptop stays open as a secondary screen. When I’m at HQ most people have the setup above. My wife has no external monitor. My entire non tech friend group has pros and don’t use them connected to any peripherals.