The models are already locked away behind cloud APIs. Stable Diffusion wasn't supposed to happen; OpenAI thought that nobody else could afford to train a U-Net on CLIP at their scale and give it away for free.
I will point out that the usual copyright maximalists have been pretty silent on the issue of AI art. The biggest opposition to AI is coming from the Free Software community - i.e. the people who want to abolish artists' ownership over their work outright.
The Free Software movement originates in academia and has academic value - they don't care about receiving direct compensation, but attribution is critical, and attribution is what image generation models can't provide.
I will point out that the usual copyright maximalists have been pretty silent on the issue of AI art. The biggest opposition to AI is coming from the Free Software community - i.e. the people who want to abolish artists' ownership over their work outright.