The chemical itself doesn't seem to cause any problems in humans. It's the other chemicals that are used with pesticides that cause the issues.
http://npic.orst.edu/factsheets/glyphogen.html
Until any facts show that this is a harmful substance (to anything except plants, anyways), I don't see a reason to get upset.
Well, you have to keep in mind...some are convinced that Monsanto is the devil...and their distaste for large powerful companies makes them more prone to embrace the boogeyman stories that get circulated.
Neil Degrasse Tyson did a great bit on the GMO topic and made an interesting point that his theory is that people wouldn't be as up in arms if the industry was controlled by a dozen or so medium sized companies instead of one really big powerful one because in this day in age, it's become avant garde or cool to distrust large companies.
There was a thread circulating around this topic a month or so ago, and like in every other thread on the subject, I've posted the same studies by the same objective researchers that suggest that without GMOs and the right pesticides, the world wouldn't be able to sustain the food demand in some regions.
...and each time, without fail, the same handful of people attempt to rebuttal that with links from a handful of very bias organic advocacy websites.
While the organic method works better for certain types of berries and fruits in terms of yield, the same is not true for the 'powerhouse' row crops that many regions look to for sustainment. The positive impact of a 10% yield increase in raspberries and blueberries wouldn't offset the devastation that would be the 20% reduction of the necessity row crops if they scrapped the current method and tried to go organic.