This controlled focus on the spiritual and the afterlife instructs Christians to maintain an aloofness from the world, and to withdraw any emotional investment from worldly affairs. Thus the first reason to discredit the world is because it is simply irrelevant. The things of this world are vastly inferior to “things above.” For the devout Christian longing to be with God, this can amount to a death wish. Taken to the extreme, in cult-like groups it can even lead to suicide.
This is especially scary for those who believe but are outcast as the likelihood of suicide is high. Why suffer on earth when you can be close to god in heaven. I think this is also another reason why this is inappropriate for children who dont understand death.
