OK, so the kids were watching reruns of the series, and the first episode of the series aired, and raised questions.
I know, fruitless questions over a series that ended a few years back, but questions nonetheless. Fruitless questions about a fictional series, but again, questions nonetheless.
So, once the "chosen few" at Sunnydale High School learned about vampires living in their midst, why didn't they immediately sign up for classes on how to fight? Did they not consider taking a Tae Kwon Do class? Kick Boxing? Even a Self Defense class?
I now return you to your musings on more significant topics.