From what I can gather, it's unlikely that the OP did anything "bothersome" enough to warrant such treatment. I'm thinking that it's more likely that the Facebook page in question is scamming people by soliciting donations and than blocking people that want whatever they promised in return for the donation, all though this is more of an educated guess from somebody who is knowledgeable on this subject.

Or she could simply be a drama queen. In which case, I would avoid insecure little simpletons like her.