Organic food consumers are quite often anti-social jerks says psychologist

Yes they will.

Something I have suspected for a while now. Observing them at the Ann Arbor Whole Foods store as well as the People's Food Co-op this article confirms my experience with a lot of them. And make sure if you shop there to bring your own bags and containers for your purchases unless you want a big helping of sanctimonious snark thrown in too.