This all assumes that every one of your descending chain will be equally willing to make descendants. That's a very big bet for a species whose worldview (and s

This all assumes that every one of your descending chain will be equally willing to make descendants. That's a very big bet for a species whose worldview (and scientific understanding of the universe) changes every generation. Imagine deciding the future of your descendants 2000 down the line. Imagine if your Australopithecus ancestor deciding your future. Whatever decision he made it is unlikely to be of your benefit as he lacks virtually any scientific knowledge and has little if any in common with you worldview wise