Because it was developed by OpenAI, which is a company that wants to make money (for example through GPT-3 API calls). Historically, OpenAI has also been concerned that their SOTA models could be threatening to the world if released.
Right.
> Historically, OpenAI has also been concerned that their SOTA models could be threatening to the world if released.
That was clearly marketing spin. Just like the word “Open” in their name.
Disclaimer: I do work for a non-profit working in open-source and I am biased.