We have lots of capable open weights models, but very few have actual datasets and pipelines open for reproducibility. This is a major issue that even if big companies addressed, policies could well just change, as you also acknowledge.
Society can't depend on the whims of the private sector.
> Society can't depend on the whims of the private sector.
Yeah we can, we do it all the time. Nothing in society works without relying on private actors to keep doing what they have always done. Unless you go full soviet command economy, which in fact works worse.