If you want to be naive, be naive. I grew up in and around the business. I know exactly what happens. As long as there is fighting, there will be But pretend that UFC is a great organization that wants to provide fighters a chance to prove they are the best if you want to. Money has absolutely nothing to do with it. Rousey is rumored to be taking at last a year away from fighting. Not a year between fights, but away, then it would be several months before she would be ready to step in the ring. You are talking a year and a half with no championship fight. What is she going to do? Drop the belt and let them have a contest WWE style? That doesn't build any suspense for her return, but losing, then returning after a long break for her rematch? Money, money, money.
But sure, it was just two people highly skilled and one of then suddenly forgetting what she was doing and having the most unprepared match of her career.
Eat that pie they are feeding you.