Again the argument: "I am so rich I would not possibly be dishonest for such a small amounts..." ?
I do wonder if this kind of thing was related to his ouster-and-return, but it happened in 2019 so it would need to be a pattern of behavior beyond what we see in the article.
So he has an incentive to do business with a chip maker that he invested in. But that's allowed right? Or is the argument more that it's like insider trading (investing?) because he knew he might announce business with it in the future? Since it's not publicly traded, I don't even know if that's unethical.
It would be very hard to prove that choosing company A over company B was a knowingly worse choice for OpenAI though.