On its own, this has the potential for saving us from so much human suffering. But let’s be real, there are greedy and selfish people who are going to try to use this tech for personal wealth and gain. It’ll further split the “haves” and the “have-nots.” There are far too many systemic sociological and economic problems that need dealing with first before we even consider using this amazing advancement in the ways this question is suggesting. We’re far away from designer babies, but not nearly far away enough. Though I guess if we edit our offspring’s genes to survive the oncoming climate change disasters then... net gain?