This is not just about styles that you personally don't like. It will work for any style with a lot of available existing work, popularity is irrelevant.
It's clear to me that she has a very distinctive style of her own. It's not "flat corporate style" at all.
>… the rendering, brushstrokes, and colors are the most surface-level area of art. I think what people will ultimately connect to in art is a lovable, relatable character. And I’m seeing AI struggling with that.”
So she doesn’t want her name associated with, in her eyes, bland illustration that copy the the style she has used for some big well known clients.
Fans of her work alarmed by the closeness point out to her what's happened.
Qull as appointed gatekeeper of style for the internet: 'she has no discernable style'.