Zactly.
I agree that kids should be allowed to moan to their friends about their parents, but FB is so...PUBLIC!
Also, I think a lot of it is the sheer lack of respect and any appreciation that he feels. Still, I think he should have waited 48-72 hours before filming that video.
I'd have printed it off, secretly, to show her in later years, when she'd gone through that stage!
It's hard to say, without knowing what Hannah is really like, but it sounded, to me, like she does do her chores, but obviously doesn't have a brilliant relationship with her parents and wanted to let off steam to her friends. Most kids go through stages like that, but end up fine in the end.