Every year millions of people who believe in the existence of hell opt for procreation. They have gambled with someone else's life against the will of that individual and have imposed a fate onto them, which according to their beliefs, could entail an afterlife of eternal torture and suffering. Nobody would want to end up in hell. The single best way to avoid going to hell is the same way all of the world's worst harms can be avoided - not being born and coming into existence in the first place.