If we can get back to eating real food and fix the food industry I think we will be amazed at how many problems that solves. We can’t thrive as a civilization if we are constantly poisoning ourselves.
That should be legally actionable as an untrue selling claim. As a libertarian I don’t think a government law is required, but an individual should be able to sue for false claim by the vendor.
We get the same thing with sandwich shops in Australia. “ Would you like butter ?” Then they put margarine on the bread. 🤢
Some have claimed that seed oil disreapecting is a bro science, but it's not only reasonable from first principle thinking, there's also a lot of empirical evidence to back this up, for example: https://openheart.bmj.com/content/5/2/e000898