As an Emacs user, I have always hated that joke. It's not funny, because, as you said, it is untrue. Emacs is not only a great editor, but it's also a terrible

As an Emacs user, I have always hated that joke. It's not funny, because, as you said, it is untrue. Emacs is not only a great editor, but it's also a terrible operating system, lacking multitasking and error recovery in particular (although it's getting better).