A version of this story appeared in the CNN Business Nightcap newsletter. To get it in your inbox, sign up for free here . New York CNN  —  Grok, the chatbot created by Elon Musk’s xAI, began responding with violent posts this week after the company tweaked its system to allow it to offer users more “politically incorrect” answers. The chatbot didn’t just spew antisemitic hate posts , though. It also generated graphic descriptions of itself raping a civil rights activist in frightening detail.