The author mentions a collage artist in the second paragraph primarily to

So he was reacting to the college because their art was straight forward? and so that is why he is reacting against it? " Though such art was quite popular with the general public, Gilliam was impatient with its straightforward, literal approach to representation." does this sentence give away the answer ? I want make sure because it is kind of an attitude or expression and that why i looked out for it while reading it.