Microsoft also used to have 90% market share. It's less impressive now that Mac is a viable competitor and iOS and Android are good enough for 80% of common tasks.
(Edit: Actually, when it comes to gaming, Linux is getting better and better)
80% of common tasks isn’t enough when part of the remaining 20% is absolutely necessary for work
if your cad software or whatever doesn't work with your OS of choice I'd take it up with the vendor
Seems like MacOS does not run on hardware that is not sold by Apple.
It was horribly slow but something more optimized like Rosetta might help.
It'll be a much harder game though for sure.
Many are MS-only shops, but a large and growing section are hybrid or in some cases Mac-only.
The rise of cloud (ie, OS-independent) solutions has had it's impact: Windows isn't required for the vast populace (MS still takes it's tax via Office365) of business workers.
The next frontier is Chrome as the overlord of the browser realm.
Almost made me spit out my drink