"That was a big success to our current security systems."
No, it wasn't. Saudi intelligence provided the tracking numbers for the parcel bombs[1]. All the billions of dollars that we've spent on airport security did absolutely nothing. As Schneier as argued before, if you secure the one route the attack just comes from another route.
1. http://www.nytimes.com/2010/11/06/world/middleeast/06terror....