The only people who thought the "arab spring" was a burgeoning utopia are western military, intelligence, and political elites.
Now those same people see these platforms as a threat and so the "respectable" media is full of anti-SV stories.
> it’s all automated; the owners of the system can’t possibly monitor everything that’s going on, and they can’t control it
Yes, that is the real problem: communications that can't be censored and controlled.