"And while you could easily report us because this kind of magic is technically illegal, doing so would end with me revealing why I felt it was necessary. None of us want to see the Dursleys’ abuse in the papers, especially given your hand in her placement, Headmaster. Abuse that I can easily make the argument that you're aware of and condoning considering that Arabella Figg reports to you. Dropping a line to Rita Skeeter would be easy."