The harm may be greater when it's not leaked. In other words, it can be used to blackmail people in power. They may not even be doing anything particularly ille

The harm may be greater when it's not leaked. In other words, it can be used to blackmail people in power. They may not even be doing anything particularly illegal - just making a controversial statement or having an unusual sexual preference - and there you go. Or of course illegal stuff, you know. Or ultimately if nothing illegal, enough to assemble a parallel construction case.