Final answer:
In the story 'The Veldt' by Ray Bradbury, George and Hazel do not react to their son's death because they are preoccupied with technology and their daily routine.
Step-by-step explanation:
The parents, George and Hazel, do not react to their son's death due to their preoccupation with technology and their desire to maintain their daily routine. In the story, 'The Veldt' by Ray Bradbury, the parents are so dependent on the nursery and the automated house that they fail to emotionally connect with their son or process his death. Instead, they continue to rely on the technology and remain disconnected from the real world.