At scale (which is what you have very quickly, considering each shows brings huge numbers), those sensors get cheap enough that you just factor them in even at 0% return rates. They won't cost more than $20 each; put half the cost on tickets and half on losses and you're good. To operations the size of Chappelle's, good-quality leaked video is worth millions.

Besides, why would they lose so many? Like 3d glasses, the novelty goes away very quickly.