“That Big Publishing remains conservative and homogeneous — and viewed with increasing ambivalence and disdain by the larger population — should not be surprising or contentious; axiomatic in antitrust law is the idea that a reduction in market participants, whether a result of competition, attrition, or consolidation, correlates with a reduction in consumer choice. We’ve seen this across any number of industries in our society, including airlines, automobiles, banks, pharmaceuticals, newspapers, and commercial publishing, where somehow Penguin Random House isn’t the punchline to a joke. Then there’s Amazon.”