> Hi, We have reason to believe your account activity has violated our Terms of Service and decided to keep your account banned. We received a large number of complaints about your account and to protect our users' privacy, we won't disclose the nature of the complaints. Unfortunately, responses to this email thread won't be read.
Unless her parents are complaining about her account, this is nuts. There's no conceivable way there could be a large number of complaints about an account that doesn't actually write to anyone besides family and close friends.
Increases my suspicion that it's related to that spam group message. Likely there were a bunch of complaints about that thread, and somehow her account got rolled into the ones that were banned, despite doing nothing besides blocking the chat as spam.