You were right all along....
Good that Rowling said it. Ironically however, it probably was not at all obvious from the book and one gets the impression that this is just a stunt thought up after the fact, for whatever reason. Of all the books' criticisms, nobody seems to have picked up on this.
The reaction to Rowling's statement seemed rather low key to me....more like a stunned silence.... and I get the distinct impression that the Potter fad is on the wane.
You did heroically well to wade through it all.