You’re not reading the answers, I don’t know why.
There is a difference between using a pet name for your genitalia, and using the wrong scientific name. Words carry meaning in materially real sense, if you use the wrong scientific term, your meaning is not successfully communicated to the audience. Using a pet name isn’t a problem and is not what the thread is about.
The art in question doesn’t use any terms, correct or otherwise, it is a painting.
The point of contention was how it was described by the article.