[The animus mess with them while they're here, but it's the scientists' fault that they're here at all. Their mistake took Gon away from Killua three times. And now if they fix it, and people do go back, Gon may be going back to die. They are, to Killua, several times worse than the animus could ever be. But the animus still piss him off, so he'll take what he can get.]
[video]
Yeah, sure.
[That tone says, "Not a chance."]