> And outside of a few occupations that might actually require pixel-perfect colour, what does this matter? Is this like the audiophile world, where people argue about seemingly subjective things that no else cares about?

I'm a color blind person and even I can see a color difference between cheap displays that I have at work and an old EIZO one that I bought years ago at home.

I can more accurately diffrentiate between different colors/shades on my EIZO panel.