Worst of all, this woman hasn't even read the books she has judged so harshly. She obviously hasn't read Chapter 27 of the Order of the Phoenix:

(page 582) "Oh, Harry, don't you see?" Hermione breathed. "If she could have done one thing to make absolutely sure that every single person in this school will read your interview, it was banning it!"

If Rowling was having any trouble selling her books, I'd have thought she paid that woman to make such a stink. Pathetic. How can an adult in this day and age not know better?