What has any of that got to do with gaming in any practical sense? With the barest minimum of smooth scaling, fidelity wouldn’t be any worse on the monitor with

What has any of that got to do with gaming in any practical sense? With the barest minimum of smooth scaling, fidelity wouldn’t be any worse on the monitor with higher pixel pitch. Now you might have a point if talking about pixel art games, but none of those will tax the GPU to any extreme level—in which case you could render at a native 1600p or a perfect pixel doubled 800p.