To hear college students and corporate consumer-product commercials tell it, gender fluidity is so normal, popular even, that they’re simply communicating these ideas as a way to reflect the new progressivism in America. Only that’s not exactly the case. Their ideas aren’t at all in sync with the rest of the country. Still, that doesn’t stop college students from talking about the “infinite” number of genders, or corporations from selling Sprite with a commercial about transgenderism and breast-binding to boot, minus any mention of the soft drink itself. A June 2019 Gallup poll reported Americans greatly overestimate the size of...