You pose some interesting questions;
I've never been a big fan of her work but when you describe her prints you say that her current printer was a superior printer. That must imply that she was an inferior printer and it was because of that, that you like the impact of her work more.
So the question is, did she print the way she printed for impact or was she just a bad printer. If she was a bad printer, but you liked her printing better, then that "style" is what drew you to her. You infer that if she were a better printer you may not have like her work as well.
So is lack of expertise, an asset in her case. If so what does that say about you and the rest of us, trying to attain the expertise to be a great printer.
Just a question,