Hmmmm - how did you communicate with the editor? If you used the "not an error" button, and did not resubmit the quiz, the chances are very good that the editor never saw your note. If you did communicate using the 'reply' button, the editor may have deleted the note in error.
Different editors have different methods, but if this were me, I would appreciate a note from you, sent as a reply through the quiz notes, so it is easy to see the quiz. (You can find your quiz notes by clicking on the quiz name, the 'notes' link will appear underneath). Most editors are happy to discuss your opinions with you, as long as you are honestly willing to work on the quiz.