It was pure coincidence on a recent morning that as the street artist Swoon stood in the atrium of Boston’s Institute of Contemporary Art and pondered a reporter’s question about her most hated misconceptions, a tourist standing 10 feet away gazed at the artist’s newest massive work and commented to his companion, “this looks simple!’’ “Anthropocene Extinction’’ is the name of the major work of art work Brooklyn-based street artist Caledonia Curry, a.k.a.