Will low demand force cruise ships to stop sailing to Cuba?

Cuba, Havana: Plaza de la Catedral de San Cristobal (Photo credit Gorupdebesanez at commons.wikimedia.org)When commercial flights to Cuba began to rise, major cruise lines followed suit, creating itineraries to the communist island, but low demand forced flights to stay grounded. Now the question remains: Will cruises have to pull out of port as well? (local10.com)