A collage would be fair use, yes I believe that's already been established but again I'm not like a copyright lawyer or anything like that. I'll leave that for others to research and prove in the courtroom.
I would say that your first example, as it file is not really accurate but the collage may be more so. It's a statistical model that calculates statistically what a thing should be. Is it learning? Maybe maybe not.
Yes. In a dream, I fell in love with someone I know in real life now. It was psychologically disruptive. In the dream, we'd loved each other for thousands of years. The emotions did not end upon waking and persist to today to some extent.