There have been hundreds of cases discussed on this web site in which the the limitless security state has had a substantive impact on the lives of innocent people. Going beyond that, it is pretty clear that people change their behavior when they are being watched, and not for the better (https://encrypted.google.com/search?hl=en&q=privacy%20nothin...).
Your liberties HAVE been reduced, you just haven't bumped into one of the new walls yet, or you didn't notice if you have.
The don't even need to do any fancy analytics. They have all your data served up on a platter.
As the poster noted, it's not as if the gov't is having to piece together data from thousands of sources. Almost all the metadata can be put together from a handful of sources.
In short: it's a real accountability gap by the people that preach ostensible "accountability" and "transparency."
USG needs a 4th branch made of veterans, privacy and industry leaders (people that are both sharp and straight shooters) that have total access to surprise audit, defund and compel changes to any secret program. The only goal is to change behavior to "I probably shouldn't do [horrible thing] because [people more powerful than my CO/president] will find out." Even if it's just a phony whitehouse press release by the Yes Men.
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ubiquitous spying capabilities only bounded by technology limits, finding clearance-passable bodies to wade through mountain ranges of data, keeping the lies plausibly deniable in front of Congress and containing waste of a sprawling bureacracy
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modern, horrible pattern of exceptionalism: disregarding any sense of morality, decency and/or due-process
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USG executive branch's de-facto dominant power position
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I'd agree at least until a single corporation has a market cap > 100% USG FY budget and/or the USG runs out of credit. Both seem essentially inevitable. (beware when private edifices and "defensive" capabilities rival the state's)