From the article: While Elon Musk is best known for making statements on this, Karpathy was his go-to guy on backing up that reasoning.
I read that as Musk wanted this done and asked Karpathy to find a way.
I read that as Musk wanted this done and asked Karpathy to find a way.
Seems to me that the guy is pretty convinced, but sure your mind belongs to you and you can make it whatever you want, maybe Musk was behind with a gun, who knows.