The sculpture was described as "gross" and "confusing" by Versailles tourists interviewed by the AFP. Does it contain garbage or unsanitary items? No, it's just surrounded by rocks, grass, and dirt:
Is the sculpture complicated? No. It's quite forward-facing, literally:
Still, many are confused. From the BBC:
A German tourist, Dunja, told Reuters: "It's confusing, a big vagina and a palace." ... "It's one of the most famous places in Paris and I just wanted to see it and I saw this building, this statue, and I don't know what it is."
Another tourist, Megan, from the US, said: "When you think you're coming to Versailles you'd expect like classic French, maybe a big statue of some Roman god but this just seems dirty, gross."
Maybe what makes the sculpture gross or confusing is that some people think vaginas are gross and confusing, especially when they are in palaces? Hmm.
Kapoor seems to be a pretty reasonable guy, although he does mention in this interview that there's a difference between what a general public can appreciate in art and art that is made with a serious intent: