How would that work, exactly? Would the Sorting Hat be unable to hear anything said in there? I should think not. And whatever doesn’t work on the sorting hat probably wouldn’t work on the instruments. Or what about all the portraits? There’s some definite spying potential in the slytherin headmasters.
Exactly. A recording device doesn’t have to be actively broadcasting every thing; it could be just that Quirrel gets updates any time he is summoned to the headmaster’s office. Untimely intel is better than no intel.
How would that work, exactly? Would the Sorting Hat be unable to hear anything said in there? I should think not. And whatever doesn’t work on the sorting hat probably wouldn’t work on the instruments. Or what about all the portraits? There’s some definite spying potential in the slytherin headmasters.
Exactly. A recording device doesn’t have to be actively broadcasting every thing; it could be just that Quirrel gets updates any time he is summoned to the headmaster’s office. Untimely intel is better than no intel.