>cmd-W closes windows and cmd-Q quits the App.

Open Finder. cmd+Q. Does it quit anything? Nope nothing happens.

Open apple TV. cmd+w -> minimizes window. Open Safari. same keys - cmd+w. Closes current window? Nope. Closes tab. Open Apps. Cmd+w. Does it close window? Close Tab? Nope...third option...does fucking nothing.

That's 3 different apps made by apple and preinstalled by apple...three different behaviours