And we have. The lifespan of the human individual past its reproductive prime is already impressive. The fact that we take care of our elders instead of just le

And we have. The lifespan of the human individual past its reproductive prime is already impressive. The fact that we take care of our elders instead of just let them die suggest could be a evolutional spandrel but the fact that age and wisdom are associated (at least in "primitive" societies) is a testament to how much of cultural species we are, that is with an unprecedented ability to transmit knowledge necessary for our survival.