I'm always conscious of being quiet when eating/drinking in a cinema, particularly if I have to open a packet of something, I will wait until a loud part of the movie.
Anyhoo- speaking of eating in cinemas. Went to Gold Class to see Hunger Games a while back, had the best seat (imo), middle middle. Anyway, the guy in front of us to the right had the ****en waiter come in with meals at least 6 times I reckon. I mean come on, it was a bloody joke and it was pretty annoying, even tho the employee was being as quiet as she could.
When the lights came on, there were plates and plates of just uneaten food.

There should be a limit of how many times you can call the waiters in.