“This video should never have appeared in Trending. Because the video contained footage from an authoritative news source, our system misclassified it. As soon as we became aware of the video, we removed it from Trending and from YouTube for violating our policies. We are working to improve our systems moving forward.”
Source: Hey Facebook, YouTube and Twitter: It’s time to clarify what gets you banned — then actually enforce the rules – Recode
It’s not the message, its the medium.