"The bottom line at the end of his book is that perhaps we should supplement with 2 drops of Lugol's because of all the pollution from fossil fuels in the world today."
That is just a small part of the pollution we face today; add in all the household chemicals including most all personal cosmetics, industrial pollutants, including herbicides and pesticides, fluoride and bromide ubiquitousness in our food and water and that idea of just 2 drops may just increase some.