This piece is part of the show coming to London from Berlin. Personally, I don't think it is distasteful because this is what anatomy and biology all boils down to.
Implications - Artists and corporations courting controversy or attention can do no better than a sexually suggestive ad campaign or design. These campaigns attract attention from fans, critics, and curious onlookers who want to know what the clamor is about. By establishing your brand or artwork as edgy, corporations stand a better chance of raising sustained brand awareness.