> Maybe they have a skunkworks project to get their chip to run a full version of macOS,
There's no maybe about it, it's a given. Heck, OSX ( nee NeXtStep) had been run on five different different architectures before it ran on Intel. Even existing 3rd party software should be easy to run flawlessly on ARM Mac OS today if developers have used Apple's tools and guidelines.
Biting the hand that feeds IT
