Is the UFC putting on too many cards to sustain growth of MMA?

Lately the debate has come up over the UFC putting on too many events and spreading itself too thin, resulting in a number of lackluster cards. Of course, ultimately the UFC is a business, and on paper, the more events they put on, the more opportunity there is to make money. While this may be true in the short run, is that the best strategy to sustain the popularity of Mixed Martial Arts? Or will the watering down of cards and the subsequent run of injuries serve to cause a plateau for the sport? There