They haven't.  When a vi vs. Emacs (vel sim.) argument is swirling around me, I explain that ex(1) is the editor I use.  People say "But ed(1) is the standard editor!"  To which I reply, "Yes, but I'm willing to trade a little standardosity for a little convenience."

John Cowan          http://vrici.lojban.org/~cowan        cowan@ccil.org
I Hope, Sir, that we are not mutually Un-friended by this Difference
which hath happened betwixt us.
     --Thomas Fuller, Appeal of Injured Innocence (1659)