I want art to make me think. In order to do that it may piss me off or make me uncomfortable. That promotes awareness and change or at least some discussion.
Customs and convictions change respectable people are the last to know or to admit the change and the ones most offended by fresh reflections of the facts in the mirror of art.
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Because most of my career in the classroom has been at art schools (beginning at Bennington in the 1970s) I am hyper-aware of the often grotesque disconnect between commentary on the arts and the actual practice or production of the arts.