Recent events are also a referendum on what "right" means.
Even if unrestricted free trade is wealth-maximizing, such policies are not necessarily the "right ones" in a democracy. A simple analysis of the situation suggests that in fact democratic policies should generally maximize the wealth of the majority of voters, even if those same policies fail to maximize national wealth.
One of the reasons for the frustration with the intellectual elite is their failure to realize that arguments in favor of the economic efficiency of free trade really miss the point.