According to Patricia Greenfield, UCLA professor of psychology and director of the children’s digital media center, children’s critical thinking skills are getting worse while their visual skills are improving she found that real time visual media do not allow for reflection, analysis, or imagination. I hope this helps!! :))
Because he let his son borrow the gun for free, and had no knowledge of any issues it may have, he is not liable for his son's injury. His son did it to himself