I believe you are completely misreading the RC. Remember the plan? Kim didn't want Troy, Alicia and Christina together, either on reward or left at camp.Obviously, there was no chance that Troy would win reward. Therefore, the only concern was all 3 getting left behind.
Of course Kim went after Sabrina because she wanted Sabrina at camp with the guys. She trusts her. Do you think it was coincidence that Alicia and Christina, two of the very people Kim had mentioned, were both in the final 3? No way. You guarantee splitting them up by giving Alicia and Christina a chance to win.
So, what reason does Kim have to send Sabrina home? Are you insinuating that Sabrina is now less trustworthy than Alicia? Hahaha... only if Kim is an idiot, which I doubt.
Sabrina is protecting Kim. It would be a big mistake to get rid of her. Without Sabrina, Alicia, Kat and Tarzan can attack Kim/Chelsea at F5. You seem to suggest that Alicia and Kat wouldn't do that because they are good for the F3. Yeah, but what good does that do them if Kim is sitting beside them? Zero.
Unless they are all complete morons, they know they only have a shot if they boot Kim at some point. If she gets rid of Sabrina, she increases their chances of accomplishing that. I don't see it.
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