I don't think people are hating on sexy so much as hating on the sexualization of girls. And little girls don't need to be exploring their sexuality. Some things are taboo for a reason.
I think this is a great discussion and a thread full of fabulous comments. I blogged it and quote StixandStones and MandyLikesPie. http://thingsbright.blogspot.com/2008/10/halloween-ranting.html