I've always found "play dead" to be a strange command. We decided, as the human race, it was appropriate and tasteful to train our dogs to pretend to die? Now, with some strategic maneuvering, dogs are getting their revenge. Sing it with me: Bow-wow-wow-trippy-yo-trippy-yay.
They say you can't understand someone until you walk a mile in their shoes. Therefore, this video of folks speaking to each other the way they speak to dogs is an earnest PSA. Let me put it to you this way: Sit! Stay! Watch the video! Good user.