You are misinformed. Puberty blockers are known to be safe to use for about a decade or so, and transgender children are not on them for nearly as long. It is

You are misinformed. Puberty blockers are known to be safe to use for about a decade or so, and transgender children are not on them for nearly as long. It is used to buy time before either committing to adult gender-affirming care or (in the vast minority of cases) backing out. In other words, it is very much in line with being cautious when it comes to children's healthcare, and any theoretical downside of taking the medicine needs to be weighed against the downside of abstaining from the only medication used to treat gender dysphoria in children.