The humour derived gets its appeal from the ridiculousness and unlikeliness of the situation. Despite the unlikeliness of this supposition, the V Corps division of Brig. Sometimes, the unlikeliness of the "deus ex machina" plot device is employed deliberately. High deflections in a situation produce an aura of unlikeliness or uncanniness. A 2002 article by Kerr Cuhulain explored what Cuhulain considered the unlikeliness of Smith's allegations.