What makes a body--including a vagina--attractive and desirable to my mind is the person who inhabits that package. If I love you and want to connect with you that deeply, I can't help being fascinated by everything about that most personal of your unique features.

I think the kind of prejudices you describe--and rightly debunk--would only matter to people who are into depersonalized sex, Tinder hookups that bypass personality in the delusion belief that what makes sex exciting is physically perfect bodies.