Embedded within the obdurate surface of “The Teachers’ Lounge,” the latest film from director Ilker Çatak, is a brand of moralism so elusive it barely knows its name. The German film industry has selected Mr. Çatak’s picture as its entry for Best International Feature for next year’s Academy Awards, citing it as a reflection of “social processes of erosion in the post-factual age.” Our freunde across the way also extol the picture for its diversity, should one take account of such things.