"The rise of services that connect strangers through private messaging has strained the conventional “see something, say something” mantra repeated in the decades since the Columbine High School massacre and other attacks, according to social media researchers. And when strangers do suspect something is wrong, they may feel they have limited ways to respond beyond filing a user report into a corporate abyss."
Centralized social media without strong moderation was a big mistake. The advertising industry needs to force reforms but I’m not optimistic.