"Half full or half empty doesn't matter. What matters is, you've only got half a glass...so what are you going to do about it?" - Me
If the government and the police turned on 'the people" they would be screwed. What makes it all work is respect for the rights of others, and as that is being eroded. This "We, the people" dream will be history. In fact the President has been working on dividing the country for quite some time, and succeeding quite well apparently.
The only people who think the NSA is watching them are people who have strong insecurities about their accomplishments in life. You will find people with low education levels or mediocre incomes with such worries. Why? It gives them a sense of importance that they aren't getting in their day to day life.