Meh. Is it really a surprise to find elitism towards one's own style in the world of music? I wouldn't take so much offense with it since I'm sure elitism is widespread across all genres.
Interestingly, he was the drummer on With Teeth. While it might be one of their most "standard" albums, NiN still are pretty much a band that takes pride in recording digitally and taking advantage of it with sound design even if it starts with "normal" instruments.