Yeah I don't know if that source or that college make the point you think they do. AI art cannot exist without a constant feed of (non-consensual) human creativity. You can learn everything there is to know about AI "art" in a relatively short time span, because you have the plagiarism machine to do the composition for you. It isn't so for any other medium. This point isn't worth arguing, because it's so self-evident. The knowledge and skill of photography clearly set it apart as an art form, whereas AI does not. AI "art" requires the knowledge and skill of actual artforms to even exist.
Photography's genesis is fascinating and is taught about in art school. You conveniently left out the other side of that time, where the fledgling artform pushed back to prove its validity through multiple evolving forms and styles, which demonstrated that it is simply a new medium, not trying to replace or replicate any other style. That is explicitly what gen AI stands to do, and it even requires constant input of actual art to exist. Additionally , impressionism was far more a reaction to realism than it was to photography. Every new wave in art creates pushback from the other styles more popular at the time. Never before has every field of art so unanimously opposed what is clearly the cheapening and commoditizing of creativity through soulless reproduction. Gen AI can be fun to mess with, it can be interesting to explore the technology, but it is ultimately just a bubble being propped up by the exploitation of actual artists and consumers alike.
You clearly do not produce or understand the production of art, and why there is such a difference. Prompt engineering is not composition, and the only art that uses AI relies on human composition to give it any form of soul. This conversation isn't worth having, as you're still trying to argue that photography is analogous to AI art. Talk to artists.
Oh boy. It was a joke.