Syngenta: Atrazine Benefits U.S. Consumers by up to $4.8 Billion Annually And that makes Berserkeley atrazine-hater Tyrone Hayes worth a potential -$9.6 billion. Click for the Syngenta media release. Click for the Debunkosaurus entry for Tyrone Hayes. Share this:EmailPrintTwitterFacebookMoreLinkedInPinterestTumblrReddit