This looks like something an artistically ungifted self-proclaimed political activist at about the sophomore level (in other words, about 19 years of age) would produce. Who is off his / her anti-depressive meds. On a rainy day.
As art, a number of apolitical reactions seem apropos. Dull. Derivative. Dismal. Laughable. Pathetic.
I take it that the Portland airport’s governing authority is either hanging (a) stuff it can get for free, or (b) has way too much money in its discretionary accounts.