Actually, ironically, you end up being wrong here, though in less of an Idiocracy way and more of a Orwellian "news propaganda machine tricked you" way.
You are missing something. If you're this confused about a topic, you should at a bare minimum read the Wikipedia page.
So rather than have them suffer with a lifetime of oral health problems, you can intervene in a transparent and cheap way to prevent these issues altogether.
The introduction of fluoride dramatically improved oral health. NYC has been doing it since the 1960s, so one would think we’d see evidence of the supposed negative effects.