The sad thing is that the level of entitlement engendered by a celebrity-obsessed culture has permeated down to the average person. People have developed a ridiculous sense of entitlement these days and this notion that they are all-important and should have their every whim and desire catered to.
You can't bring an animal onto the train? There's a reason for that. Some people are afraid of dogs, regardless of size, and then there's the issue of the animal potentially defecating or urinating in the train car, and obviously the allergy part of the equation is a major consideration for many people as well.