We are doing favour to us and to other living species. E.g. restoring mammoths would add a bulldozer that would trample trees in the north and bring the place

We are doing favour to us and to other living species. E.g. restoring mammoths would add a bulldozer that would trample trees in the north and bring the place back to its natural state of grasslands, that protects permafrost and CO2 stored in it see https://pleistocenepark.ru https://pleistocenepark.ru