You had it right; I'm referring to the linked post. But you seem to be looking for proofreaders who can apply the particular set of proofing standards expected

You had it right; I'm referring to the linked post. But you seem to be looking for proofreaders who can apply the particular set of proofing standards expected of print writers, as opposed to suggested edits an informal writer can incorporate into blog posts. I'm not sure that's what Draft claims to do -- or why it's so interesting!