2 Key Combinations in a Row
First CMD-OPT-H (hide all others), then CMD-H (hide current). This is the closest I got without third party apps. An app that could do all this on one single hotkey click would be so useful. In Windows it's WIN-D (meaning show Desktop).
When I hit F11 (show desktop in MacOS), it moves all the windows to the sides, as if it were letting me snoop around on the desktop for a while, but only temporarily... all those windows are hanging by a thread over my head and are about to crash down on me again any second. This is not how I imagine the minimize-all operation. I wonder was it so difficult for Apple developers to implement minimize-all operation... or was it just being different from Bill at any cost.
I respect but disagree with hot corner solutions, as they require the use of mouse/trackpad, which slows down the interaction significantly. Speed is all about moving the arrow as little as possible.