The main product they're pushing is Muse. It's a glorified Bonzi Buddy. A chat bot with customizable avatars. That's it. That's the selling point. They're screwed unless they have an enterprise LLM product. I don't know if they do.
Facebook remade the world. It was a one in a generation thing. Zuck isn't escaping the allegations that he was in the right place at the right time for that. He's not going to catch lightning in a bottle twice.