Yeah, I totally agree your point. The better medical condition inevitably making those mutations deadly years ago now survivable. These conditions are also call

Yeah, I totally agree your point. The better medical condition inevitably making those mutations deadly years ago now survivable. These conditions are also called rare diseases by NIH. They won’t worth the effort for pharma to develop traditional treatment. But genetic manipulation like crispr might help to cure, it might be late for your son, but might still helps.