Win32, stable driver APIs (I can still run Win11 on my old Nvidia GPU laptop which Linux doesn't support), COM, good remote desktop infrastructure, DirectX 12, WPF, ClearType or certain Win32 aspects like IO completiton ports (allows true async like uring does but in Windows since NT times) are all has some good engineering and widespread adoption. Many other OSes still copy what Windows offered in early 00s.
They are fucking their last mile a big time. They fuck explorer, they fuck desktop experience. All in the name of stupid fads. Silicon Valley hustler Microsoft is worse than shirts with Ballmer's fluids Microsoft.