The Veldt Literary Analysis

I feel that the death of the veldts parents was the technology's fault, altho there were other people who helped the death come into action, it was ultimately the technology's fault,and there was no one controlling the machine (smart home) in this instance ,so it cannot have anything to do with another human.
In the story “The Veldt” by Ray Bradbury,The parents George and Lydia and their children, they purchased a smart home that lead to the passing of lydia and George, the question that I am answering is who's at fault for the deaths. In the story ¨The Veldt” the Veldt family purchases a smart home ,(this story was written in the past so keep in mind that the writer did not have current knowledge).The children in this story A young boy