Lack of visibility I guess. People in general are really bad at seeing the danger in something that isn't visible. And they probably also imagine it's only used

Lack of visibility I guess. People in general are really bad at seeing the danger in something that isn't visible. And they probably also imagine it's only used against the bad guys, selectively. Surely no one would be monitoring everything all the time? Basically I think it's hard for many to grasp the scale of it.