Friendship is a human social tool, but projection a malfunction. The dog in the video was trained to get it to perform tricks as it does here. The dog as a friend is your projection as if it were human. In this video, substituting a person for the dog, the actions would not constitute friendship, and so your viewpoint is heavily distorted. Dogs are interesting in their habitual attempts to please the leader dog; but that fits the 'after all we've done to them' category. We use it against them.