I'd rather have people like her raising unnecessary media flurry over things that aren't that bad for us, than have everyone turn a blind eye to what the food industry does to maximize its bottom line.
The problem is that the former encourages, rather than opposes, the latter. Are you familiar with the boy who cried wolf?
'Hari has argued against the use of microwave ovens, for reasons that include the claim that they cause water molecules to form crystals that resemble crystals that have been exposed to "negative thoughts or beliefs," including the names of Hitler and Satan.' (Wikipedia)
but I don't think many people take that seriously.