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My Service Dog is not for emotional support. Katie and before her, Spook, is trained to alert to things that will send me into anaphylatic shock. This could be as simple as someone who used a lotion on their hands that has Shea Butter in it. My dog comes in and sniffs my seat and table to see if the is 1 of the gazillion things I'm allergic to have come in contact with it. 
How many times do you have to tell the goofy guy making balloon animals that he needs to move away from you. But he stands their with his back to you and this his balloon bouncing up and down inches from you face. The only thing that made him move was when Katie barked her alert that danger was near. The manager had to come over and tell the guy to move. 
I'm sorry but you did make the comment, "it is being abused".
Neither my dogs have been abused. They do the work they do because it makes me happy which is a dogs goal, to make it's person happy. Wrestling on the bed, a enthusiastic game of fetch, or splashing in the pool? Would you like my vets phone number? They were my reference for the rescue where we got Katie. Would you care to know my other animals are just as happy and healthy. Butterscotch just turned 18 years old. I asked the vet to run some blood work on her to check to be sure there was nothing underlying that we were not aware of. PERFECT numbers for a cat a third of her age!! 
I too have been training dogs for numerous years. Since I was 13 actually. Spook was my first Service Dog. A dog someone through away in a graveyard. Katie is my first deaf dog. We drove to Arkansas to save her from being put down. They aren't just animals, they are part of my family