I don't think its shameful. I don't think any nudity is shameful. Yet, I when I'm in situations with any kind of nudity, my instinct isn't to grab my camera and post to Facebook.
Sometimes it really does seem like the alleged cabal of male chauvinists presumed in feminist literature is setting the unconscious standards for our culture. "I can't fap to this - there's a baby on it! That's obscene!"