WHYv THE GREEKS DOUBTED THE VALUE OF ART

PLATO's  VIEW WAS THAT ALL ART IS A FORM OF TROMPE L'OIEL  (DELUSION OF THE EYE)

and therefore a lie    he does not dispute that it has a certain value, say as therapy

Aristotle thought it was medicinally useful as it serve as kind of incantatory, purgative therapy.