I'm going to make a guess here. No academic would leave that line right in the middle of their paper, and there is no way that the fire-breathing peer reviewers would let it slip. It was probably a comment left in one version of the document that was incorrectly transferred into the text of the final copy. When you have a million versions of closed-source MS Office files floating around, this shit happens. Another reason to use open formats.
Imagine if the opposite was true; if complete neglect and institutionalization was good for kids. Now that would be a real finding.