Passage in Grimoire NieR

This passage makes it sound like humans, proper humans that should be able to procreate are made in at least some amount after the eradication of the legion and white chlorination syndrome. If so, isn’t humanity like, not doomed as is implied by the death of the Shadowlord?

This passage makes it sound like humans, proper humans that should be able to procreate are made in at least some amount after the eradication of the legion and white chlorination syndrome. If so, isn’t humanity like, not doomed as is implied by the death of the Shadowlord?