> They _will_ want to add it to PATH if they want to install packages
> from the likes of ELPA, which frequently come with Makefiles that
> invoke Emacs to compile the Lisp files.

For lack of familiarity with the Windows world, I don't know if typical
Windows users will want to add it to PATH (as a GNU/Linux user, of
course I'd do that), but I think the "frequently" above is incorrect.