[Opinionated Blowhard]

you cannot reverse the irreversible brain damage that has been inflicted upon every single child in Flint

Now it all makes sense. The water must have been contaminated in Flint since the early 50s, when Moore was born there.

[Olog-hai]

Moore was born and raised in Davison, even though the Wikipedia got revised to having his birthplace as Flint (with no reference).