Death control should be legal. Suicide should be respected as a civil and human right for all adults. It will be good if we can reduce suicides to zero. However, we should not use psychiatric force, coercion, and confinement on adults. We should use persuasion, reason, and kindness to reduce suicides.
Birth control is influencing when one creates life. Death control is influencing when one ends their own life. Suicide is effectively illegal. Read books that psychiatrist Thomas Szasz wrote. Read Suicide Prohibition: The Shame of Medicine.
Again, it will be good if we can reduce suicides to zero. However, psychiatric coercion will never reduce suicides to zero. Persuasion, reason, and kindness might reduce suicides to zero there, if given enough time and effort.