For very similar reasons why the US has the 5th amendment, why blanket surveillance is not considered a good thing by functioning democracies, and why most peop

For very similar reasons why the US has the 5th amendment, why blanket surveillance is not considered a good thing by functioning democracies, and why most people want their porn-viewing habits to remain private. There are plenty of bad things that need to be prevented, but a functioning democracy requires the ability to act outside the surveillance of both your peers, and the currently sitting government.