That's it. No one will scour every Facebook account, posts and so forth. Even Facebook can't do it (hence hiring folks for the very similar reviewing of posts). Instead, it's used as a future legal leverage, OR as a future check in case they need to look into you.

It's insidious, of course, and really makes me regret posting anything to Facebook at all.

Who knows if you're friends with someone who did someone naughty or who is suspect for some reason? Social media has turned into a nightmare.