I knew a few members in the 70s.
They were just Goldwater/Reagan conservatives convinced we didn’t land on the moon:)
And had an odd obsession with fluoride in the water supply.
Too much fluoride impairs cognitive development. That is a fact. Water is tested once a year so we don’t rightly know the dosage we get. Even though I don’t subscribe to their tin foil theory, it does have some merit. Carefully metered fluoride through toothpaste should be plenty for dental health. We don’t need it in the water supply.