They’re opinionated too, though I’d say Windows to the least degree with its “anything goes” attitude it’s had since the mid-late 90s.

I don't know if we're using the same KDE, but KDE has always been about options.

Historically configurability of major OSes/DEs has almost always been:

1. KDE

2. Gnome 2

3. Windows

4. Gnome >2

5. MacOS