I’ll find the copy of Learning Gnu Emacs I have on a shelf somewhere and keep at it, but… there’s a big difference between “antedates contemporary UI” and “actively disdains the notion of accessibility”. I’ve been computering for a pretty long time, and the only times in the last 20 years I’ve sat down in front of some interface and had _no idea_ what to do next were emacs and… windows 8.