Accepting full-scale information collection on every individual also means accepting that any future use of that information may be used to harm you. Things that you do now may not be illegal, problematic or even embarrassing, but if they become any of that in 10 years' time, you now have to face a cache of (originally benign) evidence that can be retroactively applied against you.
http://chronicle.com/article/Why-Privacy-Matters-Even-if/127...
Accepting full-scale information collection on every individual also means accepting that any future use of that information may be used to harm you. Things that you do now may not be illegal, problematic or even embarrassing, but if they become any of that in 10 years' time, you now have to face a cache of (originally benign) evidence that can be retroactively applied against you.