And they say "Dieter Egli, a geneticist at Columbia University who led the research, called for a public conversation about the pros and cons of altering embryonic DNA" seems to that we have had this discussion and not sure another round will change current thoughts.
Quite shocked by this hands-off statement from Egli, who led the work: “As a scientist, you can provide the data for discussion, but then essentially there you stop and let others take over”. No. It is your responsibility to think things through and maybe even… not do them.