I'm not sure how enforceable that would even be. Since the output of these models can't be copyrighted, you can't apply a license to them either. The question

I'm not sure how enforceable that would even be. Since the output of these models can't be copyrighted, you can't apply a license to them either. The question of whether the weights can be copyrighted is separate, but I also honestly don't think so. I think all these model weight licenses are an emperor's new clothes scenario, where everyone is too afraid to call out the obvious.