I think it's always important for academics to study popular culture, even if the thing they are studying is idiotic. If it's successful or made a dent in culture, then it is worthy of study to find out why.
Joss WhedonWhat Sarah brings to the part is her intelligence, at the same time, she's got that hormonal, idiosyncratic goofiness that makes Buffy not just the Terminator.
Joss Whedon