John is aware that they care, seem like nice people even with interesting lives but that doesn't mean he has to like how they sometimes handle parenting. He has absolutely no doubt that if Shinichi asked, they would drop everything to help their son but they also have to realize how strongly that same son doesn't ask for help. At least not nearly often enough.

They would be willing to do anything for their kid but they're also halfway across the world most of the time from what John understood and it would take them hours to get home. Sometimes that's all it took for something to go horribly wrong. A situation like Shinichi's couldn't always be easily predicted.

"Of a sort. It's more like a private blog these days, written for me and not something I show to others." He shrugged. "Sherlock steals it from time-to-time to read it."