I think these are legitimate concerns users of Facebook should have. However, these are really, really complex problems Facebook is trying to deal with. They're

I think these are legitimate concerns users of Facebook should have. However, these are really, really complex problems Facebook is trying to deal with. They're not intentionally trying to fit subcultures into boxes, and their logic for understanding and appropriately handling the way their customers use their site is really complex. They're trying the best they can, and to encourage them to quit their jobs is really not the answer.