> In other words who cares? Landlords, for one, who have to deal with tenants that argue their E.S. animal should be excepted from the "no pets" policy. Also H

> In other words who cares? Landlords, for one, who have to deal with tenants that argue their E.S. animal should be excepted from the "no pets" policy. Also H.R. departments (what if an employee brings a bird to work?), hospitals, and places where food is served ("Waiter! That guy's dog licked my plate!"). It's one of those situations in which the potential for abuse is pretty big, and so there's an actual interest in differentiating "this dog helps me cope with life" from "you have to allow this untrained animal here thanks to poorly defined laws and paperwork with no clear meaning".