> It's shocking to me how far ahead MacOS is in terms of keyboard shortcuts compared to all other operating systems.
You only think that because you're used to macos shortcuts.
> There absolutely has been some people there who deeply care and think long and hard about how experts use their systems even if the actual main company doesn't care so much about that segment anymore.
Do any macbooks have a numpad? Lack of a numpad is the opposite of 'thinking long and hard about how experts use their systems'.
> Everything just makes sense logically and mnemonically like using shift to invert actions like cmd+z and cmd+shift+z rather than having ctrl+z and ctrl+y for undo/redo.
ctrl+z/ctrl+shift+z, tab/shift+tab, etc, is how my fairly default linux system works.
> Then add to this the ability to rebind any shortcuts in any app at an OS level.
You can do this on pretty much any operating system.
> were some way to actually achieve this level of coherence across the whole system on Linux.
What level of coherence? All you said is you prefer macos default shortcuts...? If we're talking about support for customisation then macos is laughably far behind linux in every single respect.
My own experience, being forced to work with macos for the last few years has been quite annoying. The UI is very buggy, the app bar auto-hide constantly breaks, windows randomly disappear, macos has it's own weird (coherent?) set of shortcuts different from every other operating system, there is an insane amount of popups and notifications, maximising/fullscreening a window creates a new workspace which complicates quickly switching between windows, etc. Ability to customize the system is okay... still far behind linux. I literally do not see a single benefit of macos over linux.