[thaumasiotes]

> Physical size doesn’t constitute how much you can fit on a monitor. For example my mom thinks that a 25” 1080p monitor is going to let her fit more things on her screen than a 22” 1080p monitor. Don’t be my mom!

> The only thing that matters for “fitting more stuff on the screen” is the resolution of the monitor.

This is only true under the assumption that your eyes have infinite resolution. In the more likely case that they don't, the larger size of the pixels at a higher physical screen size means you need fewer pixels, with the result that you can indeed fit more stuff on the screen at the same resolution.

[ClumsyPilot]

It's not just eye resolution, its how the application is designed. An older WinForms application will have very compact ui and mad information density, but some modern web apps will dedicate an entire 1080p window to display 1 icon and two buttons.

I would say that combined with DPI scaling, his port provides a reasonable rule of thumb.