Yeah the difference being that PFOA is a carbon chain, whereas fluor in trace amounts can improve dental health. So they're still wrong, fluoride is added to w

Yeah the difference being that PFOA is a carbon chain, whereas fluor in trace amounts can improve dental health. So they're still wrong, fluoride is added to water in very small amounts, but PFOA/PFOS are other unrelated chemical byproducts. They only share the fluoride element.