As much as I agree (generally - there is something hot about a little hair above the vag... like a landing strip, guiding me in... :D)
there's been a recent deal made in the press about cosmetic surgery some older women are getting - to trim back their genitals, so that their genitals do actually look pre-pubescent. Ewww. So maybe there is something to GGT's idea... other than the basic, biological reality that pubescent women are biologically attractive to men, because they represent the best chance to have the most kids in a monogamous relationship (since they have the largest number of available years of fertility).
Doi. Just like women are biologically attracted to older men, who are more suitable to help raise children (more stability, economic resources, etc.), but this mere fact of biology doesn't make all women gold-digging perverts with father issues, any more than all men are pedophiles for being attracted to younger women.