Putting fluoride in water promotes freedom. That sounds crazy, but let me justify it. If you are poor you can't go anywhere or buy anything. You're not free if you're poor. If you are sick, you may be confined to a hospital bed or not feel good enough to do anything. If you are sick you're not free. Putting fluoride in water reduces dental costs and incidence of cavities and therefore tooth infections, particularly a…
It's also restricting the freedom of communities if you ban them from adding fluoride to their water if they like to. This ban is anti-freedom. (Just like forcing them could be argued to be, even though that's what you argued against.) So, this ban is arguably reducing freedoms on multiple levels.
Banning fluoride does not restrict freedom—it prevents government overreach. In contrast, forcing fluoride on everyone would violate personal autonomy. Protecting individual choice is a fundamental principle, backed by real-world safeguards like constitutional rights, judicial review, and bodily autonomy laws. The burden of proof is always on those seeking to impose a policy, not on those defending individual freedom.