It is even easier for Ozzy to win the challenges than Russ (Season 19) to manipulate people. Ozzy is just unstoppable, he is everyting, smart, fast, and with well balance, although he is not a big guy.
It doesn't end ugly. Well Becky and Sandral are just luck to have the ally, which is never been clearer when they can't start a fire with matches after 38 days on the islands. And to Yule, he's luck that the hidden immunity could be used after the votes have been read, which is so less fun. And the Aitu are just too not ready for changes.
P.S. Yule and Ozzy both gained lots of weight before the final night.