Look up the cartoon characters getting run over by cars, or the very disturbing rabbit hole of injection videos. Kids at a certain age take what they see and hear as core truth, and when there’s violence at hat level it leaves a lasting mark.
1. https://www.nationalgeographic.com.au/history/brothers-grimm...
Previous generations also used to “instil” a sense of fear in to children by beating them. It does make them listen as they are then ruled by fear-inducing trauma and yet I think we’re all clear on how it’s not the best option for their growth.