If we dig into the professors past, we will most likely find he's a card-carrying Marxist. I've seen various videos of Marxist telling those listening that Marxism ends having classes in society. What the listeners don't realize is that, yes....classes in society does in a sense, disappear. Everyone become one class, dirt poor and hungry.
While Kim Jung Un is maniacal, the Marxist system installed in North Korea, is Marxism in its purest form. China has Marxism but allows some private ownership of large companies, however, all companies must have a politburo member on the board to approve decisions being made. Actually, by allowing some privately owned companies with government oversight, it's technically more aligned with Fascism.
For those that would point to the Scandinavian nations, they are in fact, "free-market capitalist nations with some social programs.