'Editing' is just one tiny subset of what Emacs does[1] and vi competes with that part well. But why is vi brought up whenever Emacs is discussed?
[1] Or rather, "empowers you to do"
[1] Or rather, "empowers you to do"
Because emacs users and vim users are disjoint, despite having almost everything else in common!
I'm a VIM user and I always like the cool things Emacs users can do, even though I'll never use Emacs.