I think the difference is between "eating a lot of this will make you feel bad" and "eating a lot of this will make you ill and possibly kill you". Those are q

I think the difference is between "eating a lot of this will make you feel bad" and "eating a lot of this will make you ill and possibly kill you". Those are quite different levels of unhealthy outcome. The trouble is, people don't think something sold as a candy would fall into the second category.