In that case, I'd worry about the user doing unlawful/immoral things they can be blackmailed with. Agencies have made up accusations and set up traps for politi

In that case, I'd worry about the user doing unlawful/immoral things they can be blackmailed with. Agencies have made up accusations and set up traps for politicians in the past (and worse: see FBI vs. Martin Luther King, Jr.). If they can blackmail a person with the truth, chances are that others can do it too (criminals e.g.).