Even if you come to the conclusion that these models should be allowed to “learn” from copyrighted material, the issue is that they can and will reproduce copyrighted material.
They might not recreate a picture of Mickey Mouse that exists already, but they will draw a picture of Mickey Mouse. Just like I could, except I’m aware that I can’t monetize it in any way. Well, new Mickey Mouse.
Lingonberry sauce on meat, ham on melon, apple in coleslaw… Apple sauce on hash browns! I think every cuisine has combinations like that, but the specific ingredients are location specific.