For the same reason that Catholic colleges have professors whom teach things contrary to the Catholic faith... the western world is imploding... Remember the Italian communist who said that America could never be defeated from without? He coined the phrase “marching through the institutions”... Too bad I cannot recall his name... Getting old sucks.
RTO
Antonio Gramsci. His statement was that the triumph of world socialism could only be achieved by "a long march through the institutions of a civil society". This is also the origin of the name of the North Korean "Long March" ballistic missiles.