Sorry, but do you realize that the "designer feedback" in your screenshot is beyond useless?

Feedback should be descriptive, not prescriptive. "Spacing is good" and "this is clear" don't really add much, nor does "header?", especially without the designer's thinking.

I think the price point here doesn't make sense for the type of feedback you're showcasing in the screenshot.

Other than that, could be a cool product if done well. I know designers who, with good guidelines, could do this kind of thing really efficiently and well.