William Whitworth, a 19-year-old male who claims to be female and goes by the name “Lilly,” has been arrested in Colorado Springs, Colo., after threatening various local schools. Whitworth has been charged with two counts of criminal attempt to commit murder in the first degree, as well as criminal mischief, menacing, and more. His case, following so soon after Audrey Hale, a woman claiming to be male, murdered six people at a Christian school in Nashville, once again raises the question: wouldn’t we be better off treating this “transgender” business as mental illness rather than coddling and celebrating people who...