For the people who accept authority as the source of ideas, the anti-surveillance/pro-privacy movement is a non-starter because the dominant military figures say it's harmful, and their word is king because they are the top of the hierarchy. We have now lost about 40% (maybe more, or maybe less? I made up that number based off of how many people vote Republican because conservatives are traditionally associated with being more authority-compliant) of people with this exclusion. That leaves the remaining 60% of the population, for which there is pervasive propaganda. The mainstream media outlets mention the surveillance issue only in passing, and typically give undue weight and time to government accounts, leading to a skewed perspective. People like Greenwald/Snowden get very little airtime, and when they do, they're framed as eccentric outsiders (social undesirables) who have a stupid opinion that the news is obligated to share to appear "balanced".
EDIT: Clarified my Republicans comment a bit. The main thrust is that there is a large population of people who are going to be swayed by authority figures, and these people tend to be politically conservative.
https://en.wikipedia.org/wiki/List_of_unsuccessful_terrorist...
It was also the FBI's "bomb" that he tried to detonate.
FYI Glenn Greenwald is never interesting.
The sad thing is that the US intelligence community apparently notified the French spooks about the possibility of an impending ISIS attack(s) (which seems ambiguous, after all, an attack could occur anywhere) and a few of the attackers were on fundamentalist watch lists, and yet the attacks still happened. Yet no major media outlet has (at least that I have seen) identified this as an example of a failure of the US/EU ICs. Glenn Greenwald was on CNN yesterday throwing CNN's anchor under the bus for allowing all these major IC talking heads to come on and blame snowden, talk up dragnet, etc. - it was pretty interesting.
Terrorist attacks, which are black swan events, are not preventable. So if I have to deal with them, I would rather deal with them without the dragnet than with it. I also cant think of a single example of the NSA/CIA preventing a major terrorist attack in the US (at lets face it, if they had one, they would have used this as a shining example by now). All of the attacks that were thwarted were just by luck: shoe bomber, underwear bomber, time square bomber, etc.