Maybe she couldn't deal with the not-so-perfect normal life daughter, and that is why said daughter shut her out.
Maybe not - but after "ruining" the Led Zeppelin song for he daughter, now she went after the one other thing that seems to make her daughter happy, which is Instagram. What if that article now gives her daughter unwanted fame and ruins that part of her life, too? Maybe it is still about control, not participating in someone's life?