Earlier quoted context omitted.
One can not disable the animations on MacOS. I would very much like to be wrong. Please tell me I am wrong and how to disable animations, especially when swapping between desktops.
You can do that by installing FlashSpace. It reimplements the desktop management just to get rid of that stupid animation. Apple is at this point maliciously incompetent...
Unfortunately the app comes with its own limitations and weird edge cases, many of which are pretty unintuitive. It would be much nicer to simply use the native experience and disable animations.