I agree with the point about being able to compare two windows, but I feel like the second monitor adds much less value now that affordable 32" 4K monitors are

I agree with the point about being able to compare two windows, but I feel like the second monitor adds much less value now that affordable 32" 4K monitors are a thing. Now the more useful investment is simply learning your OS's window management hotkeys to immediately snap your window to either the left side or right side of the screen.