Gender Identity: Why All the Confusion?

This short video, produced by Prager U, is a very good explanation about why we need to speak UP about what is obvious to children, but not so obvious to enlightened adults:  men and women are different. And, rather than create an unlimited spectrum of possible genders, wouldn't it be better to teach children that no matter their sex, they can pursue any dream, any interest, any occupation, and still identify as a boy or a girl?