I'm not all that surprised with the outcome of tonight's episode. In a way, Stephannie was gone the moment she told her tribe she was ready to go a couple of episodes ago. She hung in there, and because of an innocuous comment made to Nate (and because she seemed incapable of bonding with anyone), she's gone.
Backing up a bit: it seems like both the Aitu and Raro tribes are pretty even at challenges. One tribe may win reward, but during the next challenge, the other tribe wins Immunity. It makes for competitive challenges, and a fun watch.
I feel like with Raro losing two Immunity challenges in a row, we once again get very little of the Aitu tribe. We get some rearranging, with Sundra joining the Yul/Becky/Candice/Jonathan alliance, and some more classic Cao Boi antics, but other than that, this is Raro's episode.
I have to say: I thought Cristina was going home. The editing was very deceiving, because it looked as if Parvati was fighting for Stephannie, when it turns out everyone unanimously voted to get her out.
It seems as if at this point, nobody has stepped up in any of the tribes to take lead. Instead, we have groups that have taken control of things, with no one person stepping up. It certainly makes for a more interesting pre-merge dynamic.