Yeah, let's just ignore the fact that she's also one of the most badass characters in the series so far, right? GTFO of here with that racist bullshit lmao.
Revenge is cool and all but this is just retarded. There's no point if he's killing them in the past where they haven't done anything yet.
It would be understandable at least if they were already planning to backstab him from the start but there weren't any hints shown that would suggest that...