He even says in his notes that correlation doesn't equal causation - except, of course, for Nickelback, which has actually been proven to destroy brain cells on contact (cf Riemann/Wiltz
Neurological Effects of Selected Rock Artists 1969-2003, American Journal of Psychiatry, Nov. 2004, vol ii pp 106-143).
However, I don't know if I can trust a guy whose FAQ page (
link) is black on dark salmon, perhaps one of the least readable choices possible inside the visual visible spectrum. Clearly he's much more of a Dan Brown reader than Nabokov.