Absolutely no enterprise - I work in enterprise cloud consulting - absolutely no company would trust Grok with their IP compared to Anthropic or OpenAI with Musk’s reputation on how he runs his businesses.
Anthropic just tolerates the money losing developers who pay $20/$200 for subscriptions.
They'll sign a contract, and the contract will be very clear about whether using user prompts as training data is allowed or not. They're not going to care much about reputation; they'll care about the terms they sign with.
Maybe the play here is a way to sneak sneak Grok into enterprise by calling it Cursor. Or they'll just give up on it and run Cursor's fine-tuned Kimi on Colossus.