This isn’t a “celebration of diversity” kind-of-thing. It’s an oh-fuck-look-how-this-broke kind of tragedy (particularly if you read the references posted in the commentary that indicate an amputation).
Celebrating diversity has a place. This is not it. Genetic machinery glitched majorly and these two children will have a difficult time ahead of them. Yes, we’ll get interesting one-off scientific observations, but that’s hardly a total reward.