Well, the argument in "The Blank Slate" was that elite art and criticism in the 20th century, although not the arts in general, have disdained beauty, pleasure, clarity, insight and style.
Bem, o argumento na "Tábua Rasa" era que a elite e a crítica da arte no século XX, apesar de não serem as artes em geral, desprezaram a beleza, o prazer, a clareza, a reflexão e o estilo.