I recommend that place to any intelligent students, researchers, language weenies, compiler hackers and system engineers. Just be informed and don't ask opinionated, loaded questions.
Elsewhere? meh, I am left to think my present company has just been introduced to computing by its $LANG_MANUAL.
There is also a lot of childish fucking around and casual piss-taking that doesn't happen among Lispers. If you expect an standing ovation because you pushed something to github, fuggedaboutit. No one will be retweeting wisdom, no one will like you on facebook, you will not be blogged about ..
Ever wonder why Lispers, and most adult programming communities don't have "Rock Star" celeb provocateurs?
Maybe not anymore, but that stuff used to happen very regularly on comp.lang.lisp during the years I paid attention to it (2003ish through 2006ish, maybe).
It's a messy place to be, but there are some ivory treasures to dig up.
And most adult programming communities have something worse than the "Rock Star" stereotype: the "Authority". For Lisp in particular, there are plenty who struggle for that title.
PS. Indeed, "I pushed 20 of my projects to Github"...who cares, is anyone of them any good?
Would you care to argue that the Lisp community is better than any of these?