Man, this sounds like a bad LSAT question. "This argument is based on which flawed technique?" The correct answer: (C) Interpreting correlation as causality.
Still, pretty interesting study, however useless it may be as concrete evidence of anything but coincidence.
Glad someone said it.
Yeah, that is why I asked the question of "why?" I wanted to give my opinion, but after deep thought (okay, not very deep) I couldn't come up with even a possibility. And I still can't.