What law schools did Alliance Defending Freedom attorneys get indoctrinated at?
They should be arguing that the only sex-related issue that the states have amended the Constitution to expressly protect is voting rights as evidenced by the 19th Amendment (19A).
And 19A expressly gives Congress the power to strengthen sex protections only in the context of voting rights.
Corrections, insights welcome.
You are 100% right:
Amendment XIX.
1 The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of sex.
2 Congress shall have power to enforce this article by appropriate legislation.
The question is, what are you going to do about it?
But Personal Privacy (TM) stems from the 14th Amendment, don’tcha know (Roe v. Wade).
Ain’t I Deplorable?