I don't think these people read the official documents either, though. Adjusting communication to the audience is a good guiding principle, but not an absolute

I don't think these people read the official documents either, though. Adjusting communication to the audience is a good guiding principle, but not an absolute. There comes a point where no attempt at communication works for a given audience. If the communication must happen nevertheless, then the audience must change, whether through training or replacement.