Not really. All they have to ensure is that enough people hope to succeed at franchising that they keep pulling in money. Quiznos literally sucked their franch

Not really. All they have to ensure is that enough people hope to succeed at franchising that they keep pulling in money. Quiznos literally sucked their franchise owners dry, but it took a while. Subway has been extracting wealth from their franchise owners since the very inception of the "$5 footlong" and they're still around.