You're right about some of the ads touching the individual level, but if they're following any "best practices" in their data models, those individuals are like

You're right about some of the ads touching the individual level, but if they're following any "best practices" in their data models, those individuals are likely just unique identifiers. Granted, everything I'm saying is most certainly speculation. There could most certainly be some folks scouring this data with insensitive intentions. I'm just pointing out that that there are actual technical AND practical limitations to doing such reporting effectively.