This podcast mentions that only testing against non-viable embryos has been done. It's worth noting that just the other day, the results of the first testing against viable human embryos was released [0].
Also, I thought it was interesting when they talked about "who would turn down the ability to remove diseases for $x?" My answer would be people who simply don't have that kind of money.
This makes things complicated.
I'm not even close to an expert in this area, but I don't think it's too far a stretch to consider that having technology like this where you can theoretically pick and choose "add ons" for set prices would lead to class divides that are clearly visible when these add ons stop being just internal changes and start including exterior traits.
Also, I thought it was interesting when they talked about "who would turn down the ability to remove diseases for $x?" My answer would be people who simply don't have that kind of money.
This makes things complicated.
I'm not even close to an expert in this area, but I don't think it's too far a stretch to consider that having technology like this where you can theoretically pick and choose "add ons" for set prices would lead to class divides that are clearly visible when these add ons stop being just internal changes and start including exterior traits.
[0] https://www.newscientist.com/article/2123973-first-results-o...