Yup. Save the whales, then kick back and let everything else get poisoned and destroyed. And if you bring up similar demerits within other food industries you can be sued to death via the http://en.wikipedia.org/wiki/Food_libel_laws
What type of fish are sustainable and toxin free? I feel like I should know more about this. I only know talapia, trout, grouper (I think), and some salmon.