I think it would be hard to do, in a way that wouldn't end up sometimes being "the blind leading the blind."
I remember in university we had peer review for writing courses, yet that didn't really seem to elevate anybody's writing more than it had been before. The people who did well continued to do so and the people who did not also continued to do so.
That's a fair point :) I was quite fortunate to have university professors with a decent bit of industry experience, and I /think/ they likely would have been up to the challenge but that's far from the norm.
I remember in university we had peer review for writing courses, yet that didn't really seem to elevate anybody's writing more than it had been before. The people who did well continued to do so and the people who did not also continued to do so.