Re: Seriously ...
"Windows runs >90% of desktops and >75% of on premises servers, so nope."
Windows runs on 35% on user-facing endpoint computers, having slipped from >90% 15-20 years ago. It's a significant minority in every other technology category, plus in all cloud hosting environments, and within even Azure itself: https://www.zdnet.com/article/linux-now-dominates-azure/.
Sorry, but Windows is indeed more 'legacy' than Linux.
Biting the hand that feeds IT
