Why can’t Facebook keep problematic videos off its platform?

” In the wake of the horrific shooting in Christchurch, New Zealand, that claimed the lives of 50 people and saw several more injured, Facebook noted it had removed some 1.5 million video clips of the attack on its platform. That’s a good move to keep the gruesome content – which may serve to glorify the shooter, encourage others, and traumatize the families of survivors – from spreading like wildfire. But couldn’t the company do more to prevent it from being shared on the social network at all? In the first 24 hours we removed 1.5 million videos of the attack…”

(source)