The 'Taboo' incident sounds like fun...
But unless Boy George was the Design Staff (Set, Light, Costume, all included), I don't think he has the opportunity to allow pictures of their work. Thats the main issue, protecting their work. Imagine if I came to your job, and snapped pictures of everything you do. (might not apply: n the case of porn stars and/or models)
As a house manager, I once had to take someone's digital camera flash card because the fellow was taking pictures in our house, and he didn't stop. I gave him the card back after the show. It's not as dramatic as destroying film... darn digital.
I'd also like to beat people who snap their gum.
Hamlet's father.