The blurry mess of fast CGI is NOT down to the 24fps problem. As the action is so fast, it's faster to render complex scenes in lower detail CGI as the eye (mostly) can't see it.

However if you pause the action, you can clearly see where the rendering shortcuts have been made (The Transformers movies are a good example of this).

I'm not just talking about CGI, even e.g. taking my own a6300 and recording a moving scene has this effect (even with the 180° shutter rule).

It's just as choppy as 24Hz at 1/1600 shutter, but in traditional film, it's choppy and blurry due to the slow shutter, so I can barely see anything.

For quite se time I'd run upscalers to pre process all movies I was watching to 60Hz or 75Hz just because it was noticeably easier to watch.

The 24Hz/fps thing is a legacy from original film where it was the sweet spot that created the effect of a moving image without too much flicker, unfortunately you seem to be one of those people who are sensitive to this frame rate.

The argument is that the general populous are used to the 'film look' of 24fps, that anything else diminishes the impact of watching a film. Films that have tried high fps (The Hobbit for example) received negative reviews for picture quality; people just didn't like it.

Also, when increasing the framerate, you should try to stick to a multiple of 24 (i.e. 48, 72, 96) to prevent judder when the shot is panning a scene.

It was certainly good enough for millions of other people. What makes your eyes super sensitive to fps?

I don't know? Sometimes I also have issues where the perspective correction stops working and I see the image of each eye individually, with blind dot and perspective issues at the same time. But luckily only if I'm very tired.

Maybe something's wrong with my mind? But 24/25Hz, even with the correct shutter speed, is noticeably causing strain to process, while e.g. old school TV productions at 50Hz don't have that issue.

So you're able to interpret individual frame transitions at 24 frames a second? You've been unable to watch the vast majority of movies created in the last century as they strain your eyes? Maybe you need to get your bionic eye recalibrated?

Maybe gaming? When you play a lot of FPS in 120Hz then action scenes in the movies just look like blurred stuttering mess.

And stereoscopic 24fps look twice as bad.

Why would playing high frame rate games alter your vision? Is your brain reprogrammed when viewing image transitions at frame rates so high that they cant even be noticed.

Further research needed probably. But it doesn't seem to be far fetched to guess that what you do influences how you work.

I think you can notice high frame rates. Difference between 60 and 120 fps is striking. Even between 90 and 120. And everyone I was showing my phone that does 60, 90 or 120Hz could see it.

Conversely I don't see much difference between 120 and 240 fps.

Because it provides a different perspective, figuratively. I think that might also be a reason why HFR movies feel weird for some people, it's very much a comfort zone.