 As an abstract artist himself, Diller was a strong proponent for the form.He felt that compared to other artists, abstract artists struggled the most to gain publicity in the American art world.Diller said "if you happened to be concerned at all about the contemporary movements in art [during his life], which then, of course, were Cubism and so on, why there was absolutely no place to show your work... we had this problem again with abstract painting.