Nikki Krishnamurthy - the center of this scandal - came there from Washington Mutual, one of the most famous implosions from the 2008 Big Crash along with Bear Sterns and Lehman Brothers. How she's employable at all is beyond me.
The abstract would seem to suggest methamphetamine is one correlation; you might also reasonably suggest toxoplasmosis and I have heard a naturopath suggest that it can be treated nutritionally(!) I'm certain there's other valid explanations
My take: because Monsanto or similar firms are not supporting legislation that immediately threatens YC and the internet in general. SOPA et al is pretty much a declaration of war, it shouldn't be much surprise there's a response to that.