At work we run some software that while you can get it to run under Linux it’s not worth the effort even for me to bother.
One supplier is slowly moving towards the runtime being available on BSD at least. They also somewhat decoupled from visual studio in the latest release, while still being mandatory still it’s a step in the right direction.
And the one big customer who has standardized on xlsx, docx etc and use one of the two features that make the file look awful on anything not ms.