I have no doubt a model could be trained on me, but I feel like my current style(s) are very... Unappealing?
I am working on it, but my roughness in lines, color, composition (& skill/style inconsistency) I think makes my work commercially unviable and likely unappealing to generators. That and I tend to work to my own satisfaction first.
The number of errors/oddities in generated images proves the point that you don't have to have perfect anatomy or understanding of color theory or masterful techniques to capture an audience. The little details you put in and the slightest correction to enhance the work isn't necessary to the average person. They won't notice. It might be depressing but it's very liberating.
Like a manga once said (can't remember the name) "You don't have to be good at art, you just need to convince the audience you're good," because the only people who are likely going to recognize your skill and appreciate your effort are other artists.
So I try not to stress so much over how well I'm doing, if other people like what I'm doing, is this good enough, if I have "AI artstyle"... I just want to create things peacefully.