Even for those with "Nothing to hide (tm)", the only rational approach is privacy maximization. Suppose your future circumstances change and you find yourself

Even for those with "Nothing to hide (tm)", the only rational approach is privacy maximization. Suppose your future circumstances change and you find yourself in a situation where you do have something to hide. The mere fact that you have "gone dark" can be observed and used as evidence that you are now engaging in activities you believe need to be hidden. Anyone with kids will recognise this - you're not worried when they're yelling and screaming. You're worried when they stop yelling and screaming and suddenly become too quiet.