The incident I had in mind is described here: https://www.fda.gov/food/outbreaks-foodborne-illness/investi...

A quote from that page:

> FDA’s leading hypothesis remains that this was likely an act of economically motivated adulteration.

Maybe the cinnamon case was an isolated incident, but the use of lead compounds to change a food's color is a trend. Per https://www.npr.org/2024/10/24/nx-s1-5119336/cinnamon-lead-f...

> We're aware of this practice in turmeric, where lead chromate has been added to enhance the color

Are you actually going to argue that people don't do things that are unsafe for others when money is on the line? We're living in an ocean of evidence that it happens.