about how much somebody can inconvenience somebody else for their own "Emotional support"?

http://www.usatoday.com/story/travel/advice/2015/07/31/flying-pets/30930717/

On a recent JetBlue flight from Newark to Orlando, an "emotional support" dog belonging to a first-class passenger defecated midflight. The stench filled the entire cabin and was almost unbearable to Kaczka and her son, who suffers from asthma.

"Airlines are enabling a bunch of selfish people who have no concern for the people around them," says Kaczka, a teacher from South Plainfield, N.J.