From what I've seen on Tao's YouTube channel, he does use GitHub Copilot via VSCode to write Lean4 code.
2,841 karma · joined May 21, 2015
The villain Achilles Desjardins (I don't think he shows up in Starfish? been some time since I read it) is possibly one of the most villainous and sociopath characters I've ever read in a book.
It's a pretty cool concept and might have interesting albeit niche applications.
-edit- CC is back up on my machine