Surveillance Is Not The Answer To Terrorism(eff.org)
eff.org
Surveillance Is Not The Answer To Terrorism
https://www.eff.org/deeplinks/2013/05/after-tragedy-boston-more-government-surveillance-not-answer
https://www.eff.org/deeplinks/2013/05/after-tragedy-boston-more-government-surveillance-not-answer
Security measures are always going to be reactive, threfore arriving always late to the last terror atack. It is way better to have a healthy social network that is able to recognice strange behaviours, than a overexcited population, police and intelligence services with exabites of useless data, that will make them expend their energies on false positives.
Also once you have the system there, better make good use of it, and when no real menace is found around, some will have to be created. The system will pull from the data new "crimes" against the society. It happens with all tools, after all we are humans.