And who knows if the analysis that is derivable from this private data leads to a bunch of false-positives (that are conveniently not known by the person affected)?
You could be "doing nothing wrong" and still get screwed by right people thinking the wrong things about your data.
1984 or Brazil - it doesn't matter they're both dystopias that revolve around totalitarian constructs - neither of them work without this kind of comprehensive information.
[edit: clarity]