No, we mean "sharing what they claim is their experience and details of such"
Maybe they weren't sharing addresses and SSN's (though what's stopping them from doing so), but like anything online it's certainly not hard to make up, spin, or highly exaggerate a story to the detriment of the subject, but without them knowing about it.
So yeah, even if Sally Smith claims that "**Billy Jones of 125 South Street is a big loser who has undisclosed herpes, which who knows how he got it with that small dick of his", maybe the truth is that Billy refused to pay for an expensive meal on a first date it some other thing entirely.
This isn't turnabout (as the leak wasn't intentional), and not abuse either, but it may be a bit karmic.
** Names and story entirely made up for example purposes
I've heard a few sketchy things in regards to his comments about his daughter, but this particular one is new to me (though not particularly surprising)