i am not sure this trivia is of any significance unless to document that he has an irrational temper or how some people don't pick up when he is making a joke after all idle stole the coconut gag himself i believe several b w movie actors abbott costello have used the gag in movies were they got caught using the coconuts to deceive someone about an approaching horse worse yet for claiming originality the gag itself is just making visible how old radio and early movie sound effects crews made the familiar hoof beats thus there are hundreds of cases of prior art in sound and possibly dozens in film