Setting aside the usual arguments on the anti- and pro-AI art debate and the nature of creativity itself, perhaps the negative reaction that the Redditor encountered is part of a sea change in opinion among many people that think corporate AI platforms are exploitive and extractive in nature because their datasets rely on copyrighted material without the original artists’ permission. And that’s without getting into AI’s negative drag on the environment.
Art is art, no matter the medium or author. City bureaucrats building a parking lot, and only a parking lot and not commissioning an admonishing memorial or something, can be art if it’s at the place of Hitler’s bunker.