Arab masses just revolted against their dictators.
They were asking for democracy; they were asking for freedom. They did not turn out to be the Islamist bogeyman that the dictators were always using to justify their regime.
The enemy is not just terrorism. It is the threat posed specifically by Islamist terrorism, by Bin Ladin and others who draw on a long tradition of extreme intolerance within a minority strain of Islam that does not distinguish politics from religion, and distorts both.