There have always been groups of peaceful people and groups of violent people. Check history. Nothing has changed.
I checked, expert consensus is that the Printing Press (=dawn of mass literacy) and advent of gunpowder changed everything, destroyed the Divine Right of Kings and gutted the power of the Church. The rise of the modern nation state resulted from this political turmoil.
And now with the internet we're back again to the beginning of the great Cycle of Social Change.