And it emphasizes confidentiality and says it's hard and rare for law enforcement to get access to this information. People are going to imagine it only applies in cases like their child being kidnapped or murdered.

Per the article, state polices on sample retention and access are wildly inconsistent. I really don't think a form that outlines a complex topic handed to people right after they've had a baby delivered is adequate notice that cops might treat it as evidence years or even decades later.