I have good colour and stereo vision, but I'm very shortsighted. I'm also nearly 60 and now wear varifocals with 3 focal lengths for books and phones, computers, and distance.

But 1980s long-persistence-phosphor CRTs looked good to me, were restful to my eyes, and I could and did look at them all day.

On today's flatscreens I can't see the difference between SD and HD, let alone on a TV across the room where it's imperceptible. I can't tell different refresh rates apart, let alone variable ones. I read excited product releases about tear-free video and fixing things I never was able to perceive in the first place and so which did not need fixing.

Now I am losing my choice of good X11 desktops with rich standards-driven keyboard UIs, replaced by phonelike toy desktops which take 10x the RAM and 100x the CPU and GPU and require a whole new display server, and which can't do nine-tenths of the stuff I used in desktops 15 years ago.

Apparently, because of kids with keen eyes who see things I never could.

I suspect all this stuff about HDR and VRR and gamer screens that refresh at 100s of Hertz are just the same as audiophiles who pay absurd sums for gold-plated 100Mb Ethernet cables.

I want to see double-blinded randomised controlled trials to prove that these people can see what they claim to see -- because I don't believe them -- and to prove to them that the bulk of the population can't tell.