Psychologists have suggested that humans have a natural preference for negative news, the public experience of which they enjoy via mass media. The reason is not necessarily 'schadenfreude' or secret pleasure derived out of other people's misery.
World War I was once thought of as 'the War to End All Wars'. But the hypothesis that “violence can be extinguished with greater violence” has since been thoroughly disproved and should have no place in modern statecraft. Yet it is the bedrock of anti-terrorism.
Would the news stories be the same if the apparatus were based in Muslim countries and owned by Muslims? Would we not hear more of
the ravages perpetrated by western colonialism and invasions? Would Facebook profile picture campaigns then be about Paris or Beirut?