It is not that we've stopped, we've made it harder in some parts of the world, by adopting a liberal form of government and splitting powers. Remember what happened just few years back with Trump and the assault on congress.

Or extremists gaining power, it's not that we've improved, it's that people had enough to eat. But it's slowly changed also here, you can be pragmatic or starving, but not both.

But other democracies and governments are not as strong, and of course, in the west we're enjoying some level of stability that also is a result of exploitation of other parts of the world that is then fighting over a limited amount of remaining resources