Yeah, this in itself almost seems like an error. If Winston survived (which I still find very hard to believe given how close the gun was to him) and was taken away to receive medical treatment just like Sarah, Weaver should have known something about that. Perhaps she already was looking for Winston, but that's not how that episode played out. He should've been an easy target to find. Weaver has this strange tendency to kill people for the slightest reasons. She first killed one of her employees just because he expressed doubts in her. I could see her killing everybody involved there over the breach. Weaver tells John Henry that his interception of that transmission was a mistake. If it's some rival company of Weaver's, you'd think that it wasn't a mistake at all. She needed to destroy every trace that might lead back to her. She must be aware of resistance factions, and she probably assumes it was a resistance member who shot Winston. That sounds interesting, but I still have doubts that it's Carter. He was meant to be forgotten. I have the feeling that the one returning would be Andy Goode or one of Derek's associates when he was imprisoned in that house, since that basement mystery is supposedly going to have some light shed on it. I don't think she ever really wanted specifically to teach it morals so much as Ellison convinced her that JH needs to learn morals. Perhaps she's ok with it seeing as how Ellison's "morals" are Biblical and she was all quoting the Bible before. Plus, it's possible that the Skynet she knew developed with those morals. Given the nature of the Bible, Skynet might be acting as God did in the Old Testament, or disregarding those morals knowing that the book isn't exactly flawless. It wouldn't be the first time it was used to start conflict. I'd rather the religion stuff not be the case, but it might be what the writers are going for. As for Savannah, she really hasn't had a reason to kill her. She poses no threat, and gives Catherine an opportunity to study humanity more. It's certainly not genuine compassion because her character is shown to be void of that in relation to other humans. It's also possible that Savannah grows to be someone important. That's a possibility, but it's strange to have a Skynet that wants to kill John Connor or other resistance members, yet somehow just this one terminator has such a different motive. I could accept it as a rogue terminator faction from the future or something, but even that seems like a stretch here. Yes, I found it curious that they were the ones who survived and were both on that surveillance video. They have a potential to be "grays" from the future.