Earlier quoted context omitted.
Extensive surveillance didn't do a thing to save that man, and future surveillance won't bring his legs back. More people have suffered in Gitmo than were injured in the Boston attack, and more people died from drone strikes than when the towers fell.
Did you see the guys youtube videos? Russia contacted the U.S. about one of the brothers, also the FBI did track that he was going to Russia and also interviewd him. They failed in not being able to act on the intelligence they had. The question is what are you willing to give up to go to that LA Laker game without worrying about terrorism or whether your parents will get home safely from the game. I am not trying to…
The only thing that has changed, is the bureaucracy acquired a massive amount of new money and power after 9/11 and they're unwilling to give any of it up. This despite the fact that the threat isn't even remotely as great as they've claimed for the past decade. The security theater production - eg most of what the TSA does at airports, in which they just pretend to work security - is meant to keep Americans living in constant fear.
The US Government's fear business has been booming, worth a couple hundred billion a year these days.