Earlier quoted context omitted.
The actions you take in this world are real yes, but the scale at which the internet enables retribution is unprecedented. If you punch someone in the street maybe three people will beat you up. If you punch someone online, tens of thousands of people might pile on and start kicking.
There's a certain symmetry to that, though. You fuck up on the world stage then you suffer a world of consequences. Anyway, I would sincerely hope people are more mature than to start harassing a dude that some security has-been decided to name as the perpetrator. You're not allow to harass and threaten someone just because they're suspected of being guilty of some crime.
Sure, people _shouldn't_, but they overwhelmingly _do_, which has real, tragic consequences. People with platforms must take care or they cause tangible harm to others.