My father uses it, but then he’s going to be 85 years old in May. Plus, he only uses it in private conversation with me, certainly not in front of a microphone.
My guess is the anchor has had or does now have an older black boyfriend who she has heard use that while in the company of other blacks. So she listened, and she learned what to say, but not when to say it.
She's Italian from Kentucky and Missouri, and seems to be married to, or at least reproduced with, a (very lucky) white guy: