Earlier quoted context omitted.
I used XAML a bit at an old job The coolest part was that it was baked into the .NET Framework installed on all newer Windows versions, so I could make a useful GUI app in like 30 KB. Those were the days... I hated that job though.
Everything I've ever heard about XAML from folks who have used it has been positive. Seems to me like the kind of thing that was forgotten about due to being joined at the hip with Microsoft, not necessarily because it was a bad idea.
Also how (IIRC) it’s compiled to pretty standard .NET view code (“partial”) you could extend in other parts of the app.
I’m still happy to have left it behind for the aforementioned, ecosystem & tooling reasons.