People attack Stallman for some things but I guess I'm happy GNU exists and Emacs might be the most visible example

I feel the same way. I don't like or dislike Stallman, and certainly disagree with him on a lot of stuff, but I can appreciate what he stands for and for GNU in general.

Come to think about it, if I wanted a write-once-run-forever-language, Elisp would be the ultimate language to do so...

Holy Batman... You folks are all, literally XKCD 297!

https://xkcd.com/297/ (Lisp Cycles)