We've all see the stories about people being forced to grant access at border crossings. This is a specific type of information they would love to see. Being in the habit of not storing it means you don't have to forget to do it at the random time you need to have it deleted. So when you do a full shut down before going through the airport, which you obviously do, your browser has already cleaned up for you.

I don't care if I think I've done nothing wrong. The jackbooted thugs at the border might have a different say so, and now you're screwed because you felt like your history was necessary. I trust no one, and I'm not even a freedom fighter.