After ISIS beheading videos started auto-playing on Facebook, the social media network will display a graphic warning image over the video and not auto-play. As of now the public will determine if the videos are violent or not, which will be instantly abuse when a non-offensive video gets block. This would be an easy situation for Facebook if they disable auto-play but they didn’t. Luckily there are guides on how to disable auto-play.
Facebook’s warning that a video could contain graphic content.