Don't take it personal. I appreciate the post.
MSN is the popular press, not a scientific journal. They have a "slant" on everything.
I'm not aware of any current scenario where paraquat would be the herbicide of choice. In the '70's, the "war on drugs" sprayed paraquat on some Mexican pot fields. The pot growers harvested and sold the stuff into America, because it just looks a nice ripe color. That became a small scandal.
The other chemical mentioned, Maneb, is a fungicide, I think. I had a backyard orchard, an it was part of the spray regimen if I wanted any fruit.
Peace.