One Emacs user has filed ~2000 bugs, 5x the next most prolific user! https://lists.gnu.org/archive/html/emacs-devel/2017-03/msg00222.html (also contains OS, distro and arch popularity)
miniblog.
Related Posts
Systems Software Research is Irrelevant by Rob Pike (2000) https://web.archive.org/web/20060420001914/http://www.eng.uwaterloo.ca/~ejones/writing/systemsresearch.html
Discusses how hard it is to build novel systems today.
Wow, Emacsers were writing CGI scripts with elisp in 2000 (scroll to cgi.el): http://t.co/500LsFq64J