Given how Greenwald is gay and works for the Guardian, I wouldn't expect to learn that the NSA was monitoring conservatives.
I really understand where you're coming from, and normally I would heartily agree, strongly based on what you said.
I'll go out on a limb, though, and say you're probably going to be surprised.
I subscribe to his youtube channel, and he's dropping weird hints that the people the NSA is spying on is US, and people like us.
I absolutely think the center of mass of NSA spying is the "Mom, Baseball, and apple-pie" set. I think Uncle Sam has gone out and axe-murdered the very people who loved him.