Race and Gender Criticism

The paragraph that we read in this piece is about the argument of whether on how to judge the quality of some art work. It questions the reader on whether or not people with less polwer should be judged by the same rubric as people with more power. The article says that criticism is based on art's asethetic principles. These principles were developed in the mainstream of Western Culture. How then should we judge art that is part of a certain tradition of art works?