

I don’t speak the language. Everything is hidden, unless you know the words that invoke the desired effect. Eg. sudo apt update or the like. Also, plenty of room for error, even if you do have some idea what you’re doing. With a GUI, the user can at least fumble around through menus to find the desired action.












He even had an aircraft part named after him! https://en.wikipedia.org/wiki/Cooper_vane