The one thing Apple has done an amazing job of over the years is providing a solid, clean, common application framework for all of their systems.
They've fucked it up recently, but basically, 90% of the time you'd get the same consistent interface design across all apps, with common design language and iconography and accessibility features. They aggressively deprecate so you have to keep that $100 dev fee rolling, but the experience has been good for the the better part of 20 years (post carbon & X11, pre-liquid ass, the cocoa years).
If everything on Windows is a vibe-coded web app then everything is going to look like different, feel like shit to use, and perform like shit.