WARNING: Contains season 2 spoilers.
This is my last shot at extra credit, though BSG is still fresh and new enough in my mind that I'm pretty hesitant to dissect it.
We have seen three texts so far this semester that deal with the almost total extinction of the human race. Of the three, to me it seems that Battlestar Galactica presents the best case that the humans are worth saving.
In Xenogenesis the resisters fight for the preservation of humanity, but the version of humanity they represent really doesn't seem worth preserving. They exhibit violence and racism. They turn on even the other humans, raid their camps and steal their women. Some of them refuse to fraternize with humans of different skin tones, even when there are so few humans left at all. In Oryx and Crake the humans also seemed beyond redemption. They had reached new lows in depravity, in science (the ChickieNobs "chickens") and recreation (Crake and Jimmy's internet hotspots).
Battlestar Galactica is the first time that we seem (a non-mad-scientist) human really realize the flaws within the human race, and come to the conclusion that we might not be worth saving. And yet I think that it's the most hopeful in that respect of the three texts. The survivors are generally speaking pretty likable, more so than the resisters in Xenogenesis and Oryx and Crake's Snowman. I'm only partway through season two, so I don't have a fully developed picture of the Pegasus crew yet, but so far they really reinforce just how likeable the other humans are. They serve as a foil for the Galactica crew in multiple ways. They show just how little the Galactica crew uphold the hierarchical aspect of human nature. As military establishments go Galactica's is very relaxed. They are less robotic, and more human, as D'anna Biers pointed out in her documentary. The Pegasus crew's disturbing nonchalance toward the abuse of the 6 aboard their ship also shows just how little the Galactica crew members give in to typical military machismo.
It also seems that the humans can be taught acceptance and understanding. For all the 6's claim that Gaius isn't really a (human) man until he has killed, the trend in the show is more toward acceptance than destruction. Helo completely accepts his love for Sharon. He looks forward to her bearing their hybrid child. Then in an ultimate act of loyalty, he and the chief kill for her. Even Gaius honestly seems to love his 6. Though admittedly most of his professions of love stem ultimately from his ongoing instinct for self-preservation rather than an expression of any conscious feeling, he's on the verge of tears when he sees her in pain aboard the Pegasus. The people who do mistreat the Cylons are the "bad" humans: Case, Thorne, the crew members of the Pegasus.
Though the humans in BSG are clearly not in the midst of a utopian society, the series seems to present the idea that if given a second chance, they might be able to establish a functional relatively accepting society.