It’s actually exactly in line with what the link above says.

In June 2015, the Cochrane Collaboration—a global independent network of researchers and health care professionals known for rigorous scientific reviews of public health policies—published an analysis of 20 key studies on water fluoridation. They found that while water fluoridation is effective at reducing tooth decay among children, “no studies that aimed to determine the effectiveness of water fluoridation for preventing caries [cavities] in adults met the review’s inclusion criteria.”

In other words, water fluoridation might not make much difference for adults, but it can for children.

Even trans people aren’t beating the “nearly all mass shooters are men” statistic.

Counterpoint: I live in an area without fluoridated water, and I’m told that dentists can reliably identify people who didn’t grow up here by the state of their teeth.

I have a feeling that that might change after this election. There’s a real sense among liberal media (that I engage with) that a loss of this magnitude needs to be answered by a pretty substantial break with the status quo.