Earlier quoted context omitted.
causing her to be memory holed A single video changed from public to private does not a memory hole make.
Here's another: https://www.youtube.com/watch?v=ZVpjFdf5l8c
But as another comment notes, it’s on NBC’s front page. Is another explanation possible? Do the now-hidden videos contain unlicensed material, for example?
It’s too bad that YouTube doesn’t let you leave an explanation for making a video private, to stave off conspiracy theories.