If enough people are watching illicit Mickey Mouses, the IP enforcement systems will just work backwards from the mouse enjoyers' retinas to the most proximal step where money changes hands. Then they will apply legal pressure to it. For example Adobe Firefly already can't draw Hello Kitty (
https://news.ycombinator.com/item?id=35247720). If you say that's the cloud and people will have unregulated ones in their houses, then probably Disney will prevent it by blocking Mickey-capable models in the same way that they block bootleg Mickey media.