>Before stable diffusion, nobody released weights at all.
That's not true. There's been a lot of models with weights from every player before Stability.
>Without stability, all of AI would still be closed and opaque.
Most GANs (the practically spiritual predecessor to diffusion models) for example were available. Huggingface existed and has realistically done more to keep AI open. And again, this specific release we are talking about by Stability is not Open.
Stability is great but you are re-writting history and doing it on the release where it makes least sense to do so.