When does the "Captain Phillips" rule apply?

Regarding the terrorist attack in Sydney, there's Ace:

Now we enter the most important phase of a terrorist outrage: Being lectured for a month that Islam is Peace.

And Iowahawk:

.@jimgeraghty While we shouldn't rush to judgment, we should probably suspend a few Australian college fraternities just to be safe.
— David Burge (@iowahawkblog) December 15, 2014

I don't know, man, but once the police identified this through-and-through nutcase, I don't see how they would think the situation would end well.  I couldn't stop thinking of this.