The ability to accumulate money and aesthetic appreciation are by nature incompatible; so the Hirst purchase befits the buyer. What is less understandable is the aesthetic devaluation being taught in art curricula by those who sneer at beauty and denigrate past masters of photography.
As to the nude, Kenneth Clark said "no nude,however abstract, should fail to arouse in the spectator some vestige of erotic feeling, even though it be only the faintest shadow - and if it does not do so, it is bad art and false morals."