Doubt was successfully sown where previously none existed. Doubt like why exactly had Hermione Granger-Weasley just up and disappeared. When the entirety of Wizarding Britain was at a point where they were aware that something was stirring, that somethings was perhaps still not right in the Ministry, where they thought that the Dark witch and Wizard who were spotted every now and then, were perhaps not evil... only then did Hermione finally reveal herself in an exclusive interview with The Quibbler.