Opinion piece spreading around as fact (Update)

I don't usually worry about opinion pieces, but the “Fluoridation is false security” piece (on page 2) by Lois Titchener had spread around the anti-fluoride groups as fact. My reply (on page 2): "Your newspaper published a letter entitled ‘fluoridation is false security’ which I believe is misleading. Hydrofluorosilicic acid (HFA) is no more toxic than [...]