Why was hermione happy with an educational decree banning the quibbler?

Hermonie was happy because it gave away the fact that the Quibbler contained information that Umbridge wanted to remain hidden from the students. This comprised details of Harry's encounter with Voldemort. She imagined that students would circumvent the ban and read the article, and get Harry’s account of the encounter.

It assured that everyone at Hogwarts would read Harry's interview .

answer; use multiple stimuli;