He is saying that we will help bring back the extinct and help the De-Extinction so we can save the animals and help the world. Brand focuses on how genomes will be bring back the extinct. The only problem is that we do not know if the resurrected animal is really the extinct animal. They cannot be raised the same way they used to be. So they have to use a similar animal with almost the same lifestyle they had. They still don’t know how long it will take till the first successful extinct animal comes to