Given how many trans kids commit suicide when prevented from transitioning, i’d say both save lives. And that’s why i’m ok with it. Because going on puberty blockers until you’re 18 seems like a very non-invasive way to thread the needle of patient care for minors
The recent UK Cass Review concluded "It has been suggested that hormone treatment reduces the elevated risk of death by suicide in this population, but the evidence found did not support this conclusion."