No one is saying that it will be deadly, always. What depriving a trans person from gender affirming care does is make them miserable, drive them towards unhealthy coping mechanism and raises suicidality.
But the care results in no reduction in suicidality.
I don’t think you have to be an expert to know that the Irish Potato Famine wasn’t a situation where potato’s were all there were to eat. I think you just have to be someone who didn’t fail out in the 5th grade.