[nightwing]

The decision on risk/benefit can be handled only by parents and doctors, not some bureaucrats or hn commenters who do not know enough about the context. "Hey, you are going to be deaf, because someone decided that 10% increased chance of cancer in 50 years is too serious" is not much better than your example, especially considering that in 50 years cancer will most likely be treatable anyway. (for context https://futurism.com/five-couples-crispr-babies-avoid-deafne...)