New Delhi, Sept. 24 -- Dystopian visions of artificial intelligence (AI) feature bots breaking free of human control and running amok. But what if the AI industry itself goes wild? While US investors must watch out for an outsized investment bubble, AI users everywhere need to worry about a web of convergent business interests that could plausibly cramp market rivalry.

On Monday, news broke of Nvidia's deal with OpenAI that could see the world's top AI chip company invest up to $100 billion in the firm behind ChatGPT, one tenth at a time.

Nvidia is the world's most valuable company, with a monopolistic hold on its chip market, while OpenAI leads the global chatbot race with a claimed 700 million weekly active users. On the face of it, t...