If it just was cultural then women wouldn't have evolved abnormally thin waists, they have that since men finds it attractive, there is no other reason to have

If it just was cultural then women wouldn't have evolved abnormally thin waists, they have that since men finds it attractive, there is no other reason to have as thin waists as women has otherwise. Women in every single culture have much thinner waist hip ratios than the male counterparts, suggesting that men like them thin.