I can't claim to be an expert either, but for what it's worth I think you're pretty spot on there. In the realms of high fashion - along side the artistic considerations you describe - you're dealing primarily with the ideal of female beauty as it is seen from the perspective of certain kinds of women and gay men, as most fashion designers, commentators and other such interested parties are women or gay men. As opposed to the stereotypical, heterosexual male ideal that one might see on display in Maxim et al.