Windows Phone's UI is still with us, from Windows 8 onwards. Everything on 8, 10, and 11 is optimized for a touch interface on a small screen, which is ridiculous on a modern desktop with a 32" or so monitor and a trackball or mouse.
False. The Metro design was abandoned long ago. No live tiles, no typography-first minimal UIs in windows 10/11. I pin an email app to taskbar/start, I don't see the unread count.