The author isn't really arguing for widespread policy changes, that would be for society to decide and like you said, in total maybe the chemical exposure has a

The author isn't really arguing for widespread policy changes, that would be for society to decide and like you said, in total maybe the chemical exposure has a net benefit in avg lifespan anyways. But there is a classification of health issues that is not explained by traditional medical views, other than to say that it's a neurological issue. If there is a physiological component at play, research in that area could really help treat suffering patients, or provide opportunities for them to manage their illness. I don't know whats considered fear mongering about that.