org-mode without the huge collection of emacs lisp code to generate agendas, export to HTML, LaTeX, etc., navigate rapidly, search, etc. isn't really of much use.
You're making that common mistake to assume that if someone isn't using all the power features of a tool then you should use a simpler tool. I have a tool with room to grow. For example:
https://github.com/bdewey/org-ruby
People use Emacs for writing books. You'd probably tell them they're wasting their time?
http://www.therandymon.com/index.php?/197-Woodnotes-Guide-to...