The concept of ‘Missing white girl syndrome’ has been around for much longer than you think. Here’s a paper written on the subject from back in 2007 which talks about the exact same idea this media personality is talking about. https://www.jstor.org/stable/20461232

Just by mentioning this, she has shined a light on the issue and brought it into the mainstream conversation. While I disagree with using this one case as a reason to talk about said syndrome (I can see why some may find it insensitive), the issue needed to be brought out into the open which she has done.