I'm going to have to call you out on that. If a girl's ribs don't show if she stretches, that doesn't mean that something is wrong. is talking about how some models will starve themselves to a malnourished state simply to look skinny. Whether or not that's the case with this model, I can't say.
Obviously it isn't the case. He could be talking about how wet water is, it has nothing to do with the photo above.
Call me out all you want, but ribs are part of the human body. As flesh is stretched across them, they will --*gasp*-- show! Unless we're talking about a fat chick here (which isn't healthy either), any normal person will show signs of a ribcage at some point or another in some pose. To be repulsed by them is quite frankly repulsive.