Seth Rogen and Keanu Reeves sat down with Aziz Ansari and Keke Palmer for an Esquire roundtable to promote Good Fortune, the Ansari comedy about wealth and gig-economy struggles. The conversation turned to income inequality, and Rogen and Reeves landed on the same complaint: rich people used to build things the public could actually use, and they’ve stopped. Rogen’s pitch was that a century ago, outsized fortunes turned into libraries, observato…