So there can only be one extreme or the other extreme?
There's no possible world in which a gate can be installed in the wall of the garden?
There's no possible world in which a gate can be installed in the wall of the garden?
I don't know. It's a gate that allows a person to leave the garden. It exists to be opened, and to be passed through, and also to be closed again -- or to be left open. :)
(The UAC prompt in Windows is also a gate, if existing work is to be studied.)