> Anything closed source and having regulatory oversight is useless

Source isn't even the problem, unless you're a billionaire, you can't afford to train the model.

This isn't the wheel, the printing press, the PC, or the public internet, which created opportunities for everyone.

This is pay-to-play that is only affordable to the nation-state the mega-corporation, and the latter might let you play around as a digital sharecropper on their platform, until they cut you off, because they can make more money by having first-party ownership of whatever you built.