Thank you all! I've heard a lot of negative stuff, the article comes clear with everything. Yes they had kids very close to another, they are older and married 3 years ago. So yeah they didn't find out till #2 was born, even if they found out earlier, it would not have helped.
Regarding the cure, emphasis must be placed on the fact that the rush is to save Benny and Josh, the cure and research will benefit society as a whole.
It's easy to say everyone should dor yesharim, but that's not a sweeping solution to issues that exist.