"First, try to heal the social disintegration that is
the seedbed of these movements. Second, offer
positive inspiring causes to replace the suicidal
ones. Third, mass movements are conquered
when their charisma is destroyed, when they
are defeated militarily and humiliated. Then
they can no longer offer hope, inspiration or a
plausible way out for the disaffected..."
http://mobile.nytimes.com/2015/12/08/opinion/how-isis-makes-radicals.html