Clipboard managers on iOS/iPadOS can't really function as such without an always-on Mac.
Shortcuts development remains so much quicker on macOS, which is silly.
Linux you have to persuade...
How nice it is to have a machine without Discord running all the time (lol)
How much better an experience Apple Mail is when it can be left open, evaluating rules.
The new (beta) Apple Windows apps.
So much about Finder that really amounts to... File Explorer is and probably always has been a very bad file manager. (Expand/collapse every goddamned directory and subdirectory on your machine with single arrow key inputs.) ⇨ ⇦