When you have children we all should feel that level of selflessness. The knowledge that you would die for them at the drop of a hat. The exact same thing applies when you become a grand parent. They're are an extension of you. This isn't the case in this episode. 
Ethan Ives-Griffiths was a gorgeous little boy who his while life ahead of him. His Grandparents had other ideas. Micheal and Kerry Ives were supposed to be protectors of Ethan as Grandparents. Instead, they were his killers. To make tings worse, his mother Shannon just let the abuse happen. 
This is another case of child cruelty and murder. These monsters need to be known. Em x