On its face, a pageant is the most clothed ritual in Western society. It is about armor: the evening gown, the swimsuit (ironically), the talent costume. It is a ritual of concealment and selective revelation. A nudist pageant, then, should be impossible. It is a competition where everyone has already lost the first round.
That was the true lost world. Not a paradise of free love, but a suburbia without pockets. nudist pageant 2000