It isn't the Emacs devs who are really asking for GuileEmacs. Rather, it’s Guile fans who are proposing to integrate a software they love into Emacs for mutual

It isn't the Emacs devs who are really asking for GuileEmacs. Rather, it’s Guile fans who are proposing to integrate a software they love into Emacs for mutual benefit. While the Emacs devs don't a priori reject such a thing, they naturally insist that the Guile-based Emacs be a mature, stable and faster piece of software before it is considered for the mainline, and that just hasn’t happened because only a handful of people are working on it.