In its submission to the Australian government’s review of the regulatory framework around AI, Google said that copyright law should be altered to allow for generative AI systems to scrape the internet.
A human can absolutely copy previous works, and they do it all the time. Disney themselves license books teaching you how to do just that. https://www.barnesandnoble.com/w/learn-to-draw-disney-celebrated-characters-collection-disney-storybook-artists/1124097227
Not to mention the amount of porn online based on characters from copyrighted works. Porn that is often done as a paid commission, expressly violating copyright laws.