Also, this IS commonplace for writers, reporters, bloggers, mods, and anyone else with close ties to major programs. These people often have the goods and know the dirty little secrets, but they get them under "keep this confidential/this is off the record" terms.
People will sit on things or keep them from seeing the light of day, because you don't want to be in the crosshairs if things get out and then take an unexpected turn.
Your website, message board, or personal brand can't be the one taking the fall in court if a rumor gets out that ruins someone's reputation, and then ends up being untrue or different than was initially reported.