You can still do that, of course, but you will not be competitive with the likes of Ford and Toyota.
A higher-resolution screen, positioned closer to the eyeball, can substitute for a larger monitor. But even then, that uses only a fraction of my available visual field. VR technology could eventually solve the monitor area problem in a van-sized workspace. But for now, parent post is correct, screens with smaller pixels are the way to go. Just stick your face closer to it, and it will look bigger. This probably means you'll need an external mouse and keyboard, though.
