All three of those examples are one person asking for themselves to be granted access to your private info. They're not really any less personal. To some extent

All three of those examples are one person asking for themselves to be granted access to your private info. They're not really any less personal. To some extent, I'm just describing separation of powers, but there's also a difference between an individual with motives, and an organisation. A better example might be an exec passing a policy requiring HR to have permission to see your X.