Is it true that slack should be left in the line after tying off a pole top rescue victim?

In a rescue scenario, particularly when tying off a pole top rescue victim, it is essential to ensure that there is no slack in the line. Leaving slack in the line could create a dangerous situation for both the rescuer and the victim. Slack can allow for sudden movements or falls, increasing the risk of injury during the rescue process. By making sure the line is taut and properly secured, the rescuer helps to maintain control and stability, ensuring the victim is safely supported throughout the operation. This principle is critical for effective safety management and rescue protocol adherence.