A fellow Demand copy editor sent an article back to the writer for a rewrite. The writer then bitched on a Demand forum about not understanding what the copy editor wanted.
The copy editor posted her reaction on a Facebook group that some 120+ of us have formed:
"Hmmm...unless by 'not sure' he meant that he has no idea what I was saying, which since I was saying that I had no idea what he was saying, would be ironic."