What distinguishes a transformation function like a human (20+ years of education with different input->output) vs a transformation function of a computer? (20k hours of training->output)
What about musician training? Movie directors?
What about musician training? Movie directors?
(a) is it so similar to the original as to be considered derivative?
(b) did the author have any exposure at all to the original?
Movies, music, books: it doesn't matter. Lots of people are focusing on lots of red herrings in this thread. If the AI outputs its own copyrighted training data verbatim, it's copyright infringement, full stop.
Or at least the last time I checked nobody had forked my brain on GitHub or uploaded me to Sourceforge.