Even if it did, it's not Blizzard's fault. Pretty much all human architecture resembles genitals.
I was going to give the Freudian reason as to why you see a well, yeah, let's just refer to it as a "Vagina-like object" but, I was too lazy to dig up the sources. And if you are going to quote Freud you better damn well do it right! Citiations and all!