I have argued for years (even on this forum) that children need to be exposed to death early in life. The damage done by a sense on invincibility is greater than the damage from any phobia they might not be able to shake.
America’s drug problem would be a small fraction of what it has become if children saw the bodies of friends and family who overdose or have an accident because they were inebriated.
https://www.teentreatmentcenter.com/blog/do-scared-straight-programs-work/
Program been around a long time. Not sure of its effectiveness. Like any program, without proper follow-up and enforcement of behavior (oh gee . . . that would be a family support system), no program can ever work.