The article keeps stating that the drivers are declining the disabled person access. In my understanding, they are denying the presence of an animal in their car, not necessarily the disabled person. This is an essential difference. Discrimination would be refusing the person due to his disability, whereas this is not discrimination. Uber is right in saying that the disabled person having a dog should mention it to the driver. Fact is, the dog could cause damage to the car, or the driver could be allergic, or the next passenger. Law shouldn't force people to accept such an hindrance, even more when it was not even mentioned.