I would say the web took over as the primary application platform and Unix-likes provided convenient low cost license-free foundations to build them on.

No excuse for not having trainings in place for Windows native development, for those new hires.

You don't see Apple and Google doing the same Webviews all over the place on their OSes, with exception of ChromeOS, which appears to be on the death row to be replaced with Android anyway.

In fact, at WWDC 2025 Apple executives even spoke publicly on the matter against that approach.