A second screen is a nice asset in a work from home with lots of video calls with screen sharing. I like having a screen where I can do things in the background while following what is presented in the call. When I present I like choosing a separate screen where I'll move windows in and out depending on what I want to show. People in my call don't have to see my other windows/notifications/mails/whatever when I switch from one app window to another. And it is way easier to have a dedicated screen than switching (or forgetting to switxh) the shared window.
For screensharing it gives a certain peace of my mind having the call in the peripheral vision. But it's still worse to turn your head than switching workspaces.
