The longest-running fantasy on TV sunnily depicts the American commoner’s relationship with the ruling class, and vice versa. It also airs on CBS. “Undercover Boss” premiered during the Great Recession, when the wage gap had yawned into a canyon. Layoffs and waves of foreclosures became the norm while the same financial institutions received government bailouts, ensuring their leadership maintained their bonuses. All told, it was a terrible look for this country’s corporate rulers. Enter this cheerful work of capitalist propaganda. Over its 11 seasons, an assortment of C-suite lords and ladies have infiltrated the ranks of their lowest-rung laborers to appreciate how hard they grind for their bread. Alarmed at the realness of their struggle, they toss their smallfolk a cash bump, a modest promotion, or maybe, if they’re really lucky, a nicer place to urinate. Rarely if ever do these minimum wage safaris net lasting structural change at the companies featured on the show. But if a person is fortunate enough to be chosen by a producer to be shadowed by their boss, they …