That paper was obsolete when it was done, even more obsolete when it was published, and totally obsolete now when even on the front page of HN, right now (presu

That paper was obsolete when it was done, even more obsolete when it was published, and totally obsolete now when even on the front page of HN, right now (presumably prompting this submission), there is an article about US researchers successfully editing human embryos with few or no off-targets.