

MS did a shift like that already. The shift from MS-DOS to NT was transparent to the vast majority of people to the point that most people didn’t realize they were two different OSes.
I don’t see why they couldn’t do it again. NTVDM was similar in concept to what wine does. Imagine if MS actively contributed to wine, or a wine like project.
I have been predicting the return of slavery wide scale via prisoners for years.