If OpenAI fails nothing actually important happens.
If Microsoft loses 30 billion dollars, it ain't great, but they have more than that sitting in the bank. If Sequoia or Ycombinator goes bankrupt, it's not great for lots of startups, but they can probably find other investors if they have a worthwhile business. If Elon loses a billion dollars, nobody cares.
More over, if capital markets suddenly become ways to just lose tons of money, that hurts capital investment everywhere, which hurts people everywhere.
People like to imagine the economy as super siloed and not interconnected but that is wrong, especially when it comes to capital markets.
Open source models are actually potentially worse. Even if OAI is not TBTF because of the competition, we have a scenario where AGI sector as a whole becomes TBTF and too big to halt.
And as for the whole idea of "company value equals value to society", I see monopolies and rent seeking as heavy qualifiers on that front.
The sooner SCOTUS rules that training on copyrighted material is infringement, the better.
Update the codebase to what exactly? Are there generative AI companies not training on copyrighted material that achieve anything even close to the results of gpt4? I'm not aware of any