It's a stupid oversight in the law, there is zero penalty for incorrectly labeling something as causing cancer, so nobody does any actual work to see if they ha

It's a stupid oversight in the law, there is zero penalty for incorrectly labeling something as causing cancer, so nobody does any actual work to see if they have used an ingredient or substance worth warning for, and just slaps a cheap sticker on instead. It's the equivalent of putting "no artificial sweeteners" on a bag of sugar.