Earlier quoted context omitted.
This is a terrible reason. These men were the definition of the type of thing a system like this should catch. intelligence agencies had been warned about one of them multiple times and they were both using the internet to self radicalize. The fact that the Boston bombings still happened should be proof enough that these systems either A) Do not work or B) are not being used against this type of threat. If it isn't i…
Or... the system catches things like this all the time, this is just one that slipped through, and if the system wasn't in place, there would be many, many more incidents of this type. Maybe. (This is normally "bear-repellent amulet" type thinking, but I think there's a specific exemption in this case, in that there are good reasons why you'd see no evidence of the system's effectiveness: the government doesn't like…
http://www.youtube.com/watch?v=3lDZjiPok3w
Yes, it's a pointed example ("TERRIFIC ACTS OF ATROCITY!!!!1111"), but if you're going to tell me that "terrorism is entirely about riling-up", and therefore politics and powermongering aren't, I think pretty much all of known, including recent, history utterly destroys that argument.