I think his comments are fairly honest. At least in so much that he supports the NSA spying on the people it claims to be protecting. I suspect he feels this way because of the huge amount of money he is making from it.
It now seems fairly obvious what type of database technology the NSA is using to contain and/or query those terabytes/petabytes of information.
As far as 'government misusing information' it is pretty easy to understand how that happens. Everything from blackmail, destroying client/lawyer/doctor privileges, manipulation of markets, corporate espionage to covering up other crimes, stalking, harassment, etc etc. The CIA especially has a long history of interfering with domestic elections and blackmailing politicians and judges for the interests of themselves and the current executive branch. On top of the illegal activity they carried out in the USA there is the specter of foreign election manipulations, astro-turf style activism, and just plain blackmail and corporate espionage carried out for the benefit of large corporate interests. I expect that people are using the NSA for the same purposes.
The only 'protection' that USA citizens currently enjoy is if information can be proven to be obtained illegally then it can't be used as evidence in court. Besides that there is almost no restraint on criminal government activity.
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