The eye-popping price tags have restarted debate about a topic near and dear to sports fans, fairness: many TV customers never watch the mightily expensive channels at all, yet almost all must pay. There was a shudder in the industry when John Malone, the business tycoon who helped create the modern-day cable system, said in November that “runaway sports rights” costs amounted to “a high tax on a lot of households that don’t have a lot of interest in sports.” The only short-term fix, he said, ...