Misha comments on Harry Potter and the Methods of Rationality discussion thread, part 10 - Less Wrong

11 Post author: Oscar_Cunningham 07 March 2012 04:46PM

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Comment author: sketerpot 14 March 2012 07:49:27AM 1 point [-]

If that were so, then it would have made detecting Imperiused infiltrators during the war trivial: just floo everyone in the Ministry through a room in Hogwarts, with in- and out-fireplaces, and arrest any who set off the wards. You could do it once a week, or every morning, or randomly thrice a week, or whatever. It's too obvious, and too easy and non-controversial, for someone like Dumbledore not to have noticed and put in place. This did not happen.

Comment author: [deleted] 14 March 2012 06:09:07PM 1 point [-]

Perhaps casting Imperius is detected by Hogwarts wards. This is in fact more likely (that is, it better fits my impression of what wards should be like) than supposing that Hogwarts wards detect ongoing Imperius enchantments.

Comment author: gwern 14 March 2012 06:20:50PM *  0 points [-]

'ongoing' doesn't seem to be the germane distinction. For example, in canon book 7, don't the Gringotts wards and mechanisms detect both ongoing polymorph and an Imperius when Harry et al break in?

Comment author: pedanterrific 14 March 2012 07:13:07PM 0 points [-]

No, the Imperius was cast inside the bank.

Comment author: [deleted] 14 March 2012 06:24:09PM 0 points [-]

If that were valid here, then wouldn't Gringotts be the place to send Ministry employees at random thrice a week?

Comment author: gwern 14 March 2012 06:42:34PM 2 points [-]

Yup. Why does Gringotts have better and useful wards than the Ministry? Because they're all idiots.

Comment author: sketerpot 15 March 2012 05:27:43AM 4 points [-]

Goblins have a history of taking certain things very seriously, and security is one of them. The Ministry is very serious about looking like they take security seriously. The difference is not a small one.