We ended up with food safety laws because people did things like knowingly sell unsafe adulterated milk, causing thousands of infants to die (https://en.wikiped

We ended up with food safety laws because people did things like knowingly sell unsafe adulterated milk, causing thousands of infants to die (https://en.wikipedia.org/wiki/Swill_milk_scandal https://en.wikipedia.org/wiki/Swill_milk_scandal). If you do that these days, you will simply go to jail. Or get executed, as happened with China's 2008 milk adulteration scandal.