The ability of Internet users to spread a video of Friday’s slaughter in New Zealand marked a triumph — however appalling — of human ingenuity over computerized systems designed to block troubling images of violence and hate.
People celebrating the mosque attacks that left 50 people dead were able to keep posting and reposting videos on Facebook, YouTube and Twitter despite the websites’ use of largely automated systems powered by artificial intelligence to block them. Clips of the attack stayed up for many hours and, in some cases, days.
https://www.washingtonpost.com/technology/2019/03/18/how-social-medias-business-model-helped-new-zealand-massacre-go-viral/