Final answer:
Pelagius's view suggests that accepting predestination undermines free will, turning humans into puppets without moral responsibility, thus it should not be accepted.
Step-by-step explanation:
Pelagius's view, which contrasts with that of John Calvin's predestination theory, suggests that accepting predestination would eliminate the concept of free will. If our fates were predetermined by God, then humans would be akin to puppets or robots, with no real choice or responsibility for their actions. Pelagius would argue that such a view is inconsistent with the experience of moral decision-making and the observable reality of human agency. By allowing for free will, God permits the existence of evil as a consequence of true moral choices, rather than a predetermined plan. This choice preserves the integrity of God's goodness and omnipotence while acknowledging the complex nature of human freedom and moral development.