Emacs is a big bloated pig based on a bizarre intepretted version of lisp. It supports every feature in the universe, and you will pay with your soul. It supports nothing, good and hard. TECO is amazingly amazingly powerful, a power it draws directly from your lifeforce. You can do anything with TECO, and you probably will, whether or not you want to.
Some people are fond of saying that cat is their editor, but they're deluded.
Especially given the uselessness of csh scripting. So you know where you can shove your graphical user interface. It doesn't matter what they call it, since everyone buys it anyway. Linux users say that Windows isn't an operating system, but they also tend to hold the position that UNIX based systems are a better substitute for more people, and that programmers should give up all monetary aspirations and live as hermits. As of 1999 it is now even easier to hold these views when the public capital markets are picking up the tab.