C'mon, you knew an evil!souless!Xander! would sooooo be throwing the "yanked out of heaven" thing in Buffy's face, if only to plant the poisonous seed in her mind and mess her up with guilt when the initial poor reaction to Xander and Faith waking up and realizing what they are.

Glad you liked the T "realism" I threw in there. Okay, not terribly realistic, because I know that last train out from Wonderland usually has more than two passengers, and the last train out only has one car. But close enough. :-)