He called for the military to use "lethal force" against migrants at the southern border. He also repeatedly demanded "Nuremberg-style trials" for medical providers who offer gender-affirming care.
In the sense that it doesn't work? Well it definitely works, gender affirming care like TRT helps men all the time. Breast implants help women after breast cancer related mastectomies. Vaginoplasty also commonly helps traumatic rape victims, too.
Or, do you mean debunked as in debunked in helping people with gender dysphoria? Because that's wrong too, we know that gender affirming care leads to less suicide in that population.
Having “some gun deaths every single year” was a cost worth paying. The alternative, under gun control laws preventing school shootings, is not “rational”.