I think the real news is the way he was condemned by the media before the audio had been properly analyzed. Guilty until proven innocent seems to be the way these days.
https://www.cbsnews.com/baltimore/news/baltimore-co-schools-...
Alleged, "speculation that the recording was generated using AI", "we need more information", etc.
They can't really just ignore such a story, but they certainly seem to have had their spidey sense up about this one.
Sometimes it can be obvious
The perpetrator and instigator of the problem has been caught and is highly likely to be punished for it.