It is similar to what Microsoft did with Facebook in the early days of slowing acquiring a stake in the company. But this is an aggressive version of that with OpenAI. What you have now is the exact opposite of their original goals in: [0]
Before:
> Our goal is to advance digital intelligence in the way that is most likely to benefit humanity as a whole, unconstrained by a need to generate financial return. [0]
After:
> Our mission is to ensure that artificial general intelligence—AI systems that are generally smarter than humans—benefits all of humanity. [1]
The real 'Open AI' is Stability AI, since they are more willing to release their work and AI models rather than OpenAI was supposed to do.