We survived, because we are the ones who are here. But millions of others did not survive and therefore have no descendants.
For 100,000 years there have been fights wars, genocides, slaves, serfs, and oppressed people -- including almost all of the women.
The difference now is that more than half the population of the developed world knows better. We have the knowledge and the technology to make things better. But the old power structure doesn't want to let those changes happen.
The continue the opporeesion.