In 1988, Harvey Weinstein sent Errol Morris a letter complaining that the director wasn't properly promoting The Thin Blue Line. The words, he doesn't mince them.
Heard your NPR interview and you were boring. You couldn't have dragged me to see THE THIN BLUE LINE if my life depended on it. It's time you start being a performer and understand the media.
This appears to be the NPR interview in question. (via letters of note)