I'm going to also say the sealed tubes are keeping the cigars whatever humidity. Need, I grew up in the amusement and vending business, of course all he had were cigarette machines and I haven't seen one of those in a long time, looks like he abandoned the family at the right time.
Since it's a corkscrew vend like that you could just load it up with Black n Milds, or Swishers or whatever you wanted and not worry about tubes.