If humanity was still in the feral state, we wouldn't have any need for these huge conurbations that we have now, that have turned us into a different bunch all together. In the feral state we would be much more secure, much more familiar with each other, much more mentally well-balanced.
When I realized, in 1978, that Lucy did represent a new species of human ancestor, and that I had an opportunity to name this new species, I realized this was a revolutionary step in understanding human origins.