I think it's more that no one tried to align shortcuts across OSes, and it'd also be a huge endeavor and to be honest, sounds like it wouldn't be worth it. Take

I think it's more that no one tried to align shortcuts across OSes, and it'd also be a huge endeavor and to be honest, sounds like it wouldn't be worth it. Takes a couple of seconds to adjust and orient yourself even if you switch between Linux, Windows and macOS multiple times per day.