That was according to the guys who made the video...
excerpt from
http://www.gnn.tv/white_america/
"
But no level of corporate safeguarding could prepare us for the reception that CNN gave the video just days after its launch on Rolling Stone.com, when a parent of one of the Columbine shooting victims was brought on to critique the work. This coverage, combined with the perception of the video as "anti-patriotic" was enough to delay the video's television debut indefinitely."
Seems I'm always the last to know. ;-)