John shouldn't have been in the army. He was shortsighted. Kipling had used his influence to help him get in.
When Kipling wrote those words, his own son's grave was 'unknown' /4
"In loving memory of my darling son. Sadly mourned and missed. Mother." /5
I'm not particularly religious, but I do believe that as long as people see gravestones like these, the people they commemorate - and those they left behind - live on in some way.