Intelligence led doesn't just mean employing snouts. By this I mean a smarter more focussed approach and not blanket surveillance. The security forces have limited resource, time and money so they should use them wisely and concentrate on finding the bad eggs and not waste their time bothering...
It's not about being naughty. There are plenty of fully legal activities or items you might want to keep private for all manner of reasons. It also restricts legal personal exploration and experimentation which in turn affects intelligence and creativity. And what for? I have always felt that...