In my opinion, there are multiple levels of consideration to take on:
1. The Photoshop vs Chemical was a philosophical variation on tools used within the photographic community. This is computer code-generated "art" vs human inspiration, regardless of tools used.
2. The majority of apologists arguments that I have read for AI generated art can ultimately be reduced to a new "level of convenience" for the user (i.e., laziness) "Gee, I don't even have to drag my slacker ass off the couch to be an artist! How wonderful." It's kind of the ultimate consumation of the old jokes about automatic cameras that will eventually load themselves, venture forth, compose and shoot the image and hand you the image, only this time the camera keeps the rights to the images created.
3. The issue of Copyright and transparency loom large. I seriously doubt many people read or comprehend the Terms of Service on ChatGPT:
This is an existential threat to the concept of Human Creativity, probably due to human nature, as outlined in point #2 above.