DP and I stayed in Alton Towers recently. The brass neck of some people at the (bloody good) breakfast buffet left me with my jaw on the floor. One woman covered her hand in a napkin and then took all the individually wrapped tea bags, depositing them in her bag as she walked away. Bitch. (I was just about to make a mug of tea)
Still. Some families were letting their DCs load up their plates over and over and over and the volume of sheer food waste being abandoned was sickening. At least if it's being taken away, it'll be eaten (hopefully)
There were also families shamelessly boxing up pastries, rolls, sandwiches out of the continental options and decanting fruit juice into water bottles and flasks. I find it embarrassing to see that behaviour in people. No, I'm not wealthy. My being there was a treat from family for a mini break.
Saying that, I took an apple one day. I asked the waitress and she looked shocked, replying "wow, I've never been asked, of course you can"
The hotels at Alton towers are not cheap so that flies in the face of the "less cost of rooms, more entitled to food behaviour" theory. 