How do you assume that the information isn't useful? That implies that all your valuables are fully isolated from the digital world - really? I really have trou

How do you assume that the information isn't useful? That implies that all your valuables are fully isolated from the digital world - really? I really have trouble understanding the "I have nothing to hide" attitude. What's the difference to saying "there is this guy always standing in the corner of my living room, but I'll just assume he's benign..."