The entirety of everything leading to this point is complex. That said, half the reason for twitterized scandal politics is hyperbole. It's too easy to think in dichotomies and extremes. This stuff can be true without doom being upon us.
I think twitter mob problems will improve in a few years, or move on to other areas.
On a lower profile scale, bullying-related HR processes and associated cultural dynamics can and do "flare up." Many bullying claims. Fear of bullying accusations. Threats. First strikes. etc. It often happens in environments with a lot of bullying. Unpleasant, but it usually passes eventually... I think.