The only appropriate target for Microsoft's anger would be its own deal negotiators.
OpenAI's dual identity as a nonprofit/for-profit business was very well known. And the concentration of power in the nonprofit side was also very well known. From the media coverage of Microsoft's investments, it sounds as if MSFT prioritized getting lots of business for its Azure cloud service -- and didn't prioritize getting a board seat or even an observer's chair.
OpenAI's dual identity as a nonprofit/for-profit business was very well known. And the concentration of power in the nonprofit side was also very well known. From the media coverage of Microsoft's investments, it sounds as if MSFT prioritized getting lots of business for its Azure cloud service -- and didn't prioritize getting a board seat or even an observer's chair.