A big part of that must be that most people don't know how to describe style. That is something I bump up against often with generative AI - it can be obvious that two images are different but hard to describe why.
That's definitely been one of my hurdles. Though ammusingly one thing that's helped is to give an example to ChatGPT and ask it to describe the art style.
Agreed, aesthetic literacy is very low and most people probably couldn’t name more than a handful of art styles.