And Andy Gavin talked briefly about GOOL on Ars Technica Crash Bandicoot interview: https://youtu.be/pSHj5UKSylk?t=5893
It seems Naughty Dog later decided not to maintain their own Lisp and moved to Racket: https://www.youtube.com/watch?v=oSmqbnhHp1c
I am really curious about how they use Lisp nowadays.