If this is true we will be in for more of the same, only more extravagantly

Consider this - seriously:

http://timesofindia.indiatimes.com/world/middle-east/experts-warn-of-a-rebranded-resurgent-al-qaeda-in-syria/articleshow/60481116.cms

You see, what al Qaeda has not done yet is send in a human bomb into the 

Paris Opera Hall

Royal Albert Hall

foyer of the Park Plaza Hotel, NYC 

and in the middle of whatever, detonate himself.

When they have re-branded themselves they might well consider this.
We are going to be in for even greater and more extravagant terrorism.