A person can be careful with their own information and still be quite visible, because exposure does not respect the boundary of a single individual. It travels through the people around them.

Everyone of substance is surrounded by others: family, a household, the people who work for them, advisers, friends, associates. Each of those people has their own life, their own presence, their own records and their own ordinary habits of disclosure. And each of them is connected, visibly, to the person at the centre.

The exposure flows along those connections. A family member mentions something in passing that places the whole family somewhere, or reveals a plan, or names a relationship. A person who works for a household has an address associated with them in some record, and that address is also the principal's. An adviser is publicly linked to their client, and the adviser's own footprint becomes a route in. None of this requires anyone to act carelessly. It requires only that people live ordinary, connected lives.

For the careful individual this is the hardest part of the problem, because it is the part they cannot solve alone. A person can manage their own disclosures completely and still be described, located or connected through someone close to them who has done nothing wrong.

It follows that privacy, for anyone of real means, is not an individual matter but a shared one. An honest assessment cannot stop at the person who commissioned it. It has to consider the household and the close circle as a single connected picture, because that is how anyone studying that person would see it.

The aim is not to police the lives of others, which would be neither possible nor kind. It is to understand where the connections run, so that the ones that matter can be managed thoughtfully, and with everyone's cooperation.