"In 1637, the great Ministry of Magic drew up this code.
Its central provision required werewolves to sign a magically binding pledge promising to lock themselves in a secure place during their monthly full-moon transformations, so they could not attack or harm others.
Its fundamental aim was to bring werewolves under legal regulation and protect public safety.
The Ministry of Magic offered those werewolves a chance. But those dangerous, filthy, scheming creatures showed no gratitude whatsoever. Not one went to the Ministry to sign the document.
I imagine Binns never told you any of this, did he? Obviously, a ghost can't—"
"Professor Umbridge, what you're saying is completely different from what's in the book." Hermione could no longer hold back. "The main reason the code failed was the deep prejudice and fear of werewolves throughout wizarding society at the time. Being a werewolf was seen as a stain that could never be washed away.
"Registering with the authorities meant facing total social rejection, exile, and perhaps persecution. No werewolf was willing to take that risk."
"Be quiet, Miss Granger. Gryffindor loses five points for talking back to a professor!"
"You don't understand these things. You may not even know how to recognize a werewolf! Don't blindly believe everything you read!" Umbridge said viciously. "I'm teaching you something useful: how to stay away from those filthy, evil werewolves."
"Of course we know!"
"If you really did, you'd realize you might be in danger right now. You might even find yourself in the same room as a Half-Beast!"
Harry's heart was in turmoil. He knew what Lupin was: Sirius had told him last year while they were together. Sirius had even assumed Harry already knew.
Harry had been stunned at the time. Only later had he learned that Hermione had worked out