She clearly was misusing the word because it didn’t even fit the conversation with that meaning. It was a Sound of Music orchestra set...for crying out loud. She was not intending anything offensive nor inferring anything.
I think the reporter was referring to Lady Gaga’s OTHER music being hard to understand due to the .... you know... intonation and slang..
But this is JMHO.
Your reasoning is sound and she’ll likely be back, but only after a suitable period of reflection and remorse at the temple of sharpton.
Freudian slip?