If you're going through so much trouble to reverse engineer macOS to customize it in a non-standard way, why even bother staying in the Apple walled prison. Why not just use Linux at that point? You can customize it to your heart's desire.
Because in order to get the Linux desktop I’d want, customization of existing desktops isn’t nearly enough. I’d need to write my own DE, because all of the existing options are just too far diverged from the desired end result.
I’m sure there’s others sticking to macOS on their primary machines for that reason.