With out any doubt: Big brother is watching us and storing all information about us, regardless if done bad or good. For big brother we are all guilty or we may could be guilty in the future.
According to 9/11 conspiracy theories that accuse US government of being internally involved of 9/11 attacks, the motive behind doing this is getting the "The Patriot Act" passed in US Senate. This one act alone, as claims go, has seriously undermined personal freedom and privacy of average Joe and Jane.
IMHO, It is not about one being "guilty" or being "not guilty". From authority point of view, there may be needles in hay and only way to detect needles is to either watch every individual strand of hay or make the whole pile pass over the magnetic belts.