Magic in Oxford

What will surely prove to be the most entertaining moment of the day, and nothing to do with the Covenant, was a tweet from Bishop Alan Wilson:

Christ church giftshop criticised 4 selling Harry Potter magic wands; inquiry decided it was OK cos they didn't work 

I will set aside the triviality and absurdity of the complaint, and the pusillanimity of the shop for not just telling the complainant exactly where they might go for a more magical life.

Remember - you don't choose the wand,
the wand chooses you.
Perhaps that's why it didn't work.

What I'd like to know is:

• just how rigorously were the wands tested? 
• Where the proper incantations used with the proper intonation? 
• Was the correct wrist movement used? 

It is clear from a documentary I saw that learning to use the wand was no simple matter and required considerable practice.

There are significant organizational questions too:

• Just how much time and money was expended on the inquiry? 
• How many committee meetings considered it? 
• Was the inquiry of a sufficiently high standard? 
• Did they consult the Ministry of Magic?

Clearly muggles could not be expected to enquire into the efficacy of wands so I assume it was a wizard who undertook this task.

And, finally, has Christ Church gift shop managed to source effective wands? The website's Harry Potter page doesn't say.