I you look at the horrible things that happened in medical history, e.g. https://en.wikipedia.org/wiki/Tuskegee_Syphilis_Study https://en.wikipedia.org/wiki/Tus

I you look at the horrible things that happened in medical history, e.g. https://en.wikipedia.org/wiki/Tuskegee_Syphilis_Study https://en.wikipedia.org/wiki/Tuskegee_Syphilis_Study it's pretty clear why the ethics care more about not causing harm...