It takes them a while. Apple A13 is there in the Apple LLVM target list at https://github.com/apple/llvm-project/blob/master/llvm/lib/T....

A14/M1 will come, but the question is when...

Very sad to hear, but unsurprising. That's what you get for not using a GPL compiler, I guess.

Indeed, although it's worth saying that GNU were offered LLVM and said no, they have suffered from their own success because new developers and culture within programming is now post-GNU where people can't remember the environment that led to the GPL becoming popular.

yes, and it's clearly something rms regrets:

https://lists.gnu.org/archive/html/emacs-devel/2015-02/msg00...

If rms had a sane way of reading e-mail, things might be different :).