Overload 'em with information an' they'll kill yeh jus' to simplify things.

“What was there to be gained by fighting the most evil wizard who has ever exist…”

“She should've interviewed Snape," said Harry grimly. "He'd give her the goods o…”

“And all along the corridor the statues and suits of armor jumped down from thei…”

“Killed?" said Hagrid loudly, staring down at Harry. "Snape killed? What're yeh …”