If the assumption has been that it is not getting into food, when in fact it has, it is reasonable to ask whether studies have been based on valid models of exp

If the assumption has been that it is not getting into food, when in fact it has, it is reasonable to ask whether studies have been based on valid models of exposure. Furthermore, the article you link to is almost entirely preoccupied with the cancer risk, which is far from the only danger of environmental toxins. this seems to be a case where the burden of evidence belongs on those calling it harmless.