The full sentence is:
> The challenge for modern politics, then, lies with figuring out a way to deal with the inevitable perceived loss of social status that accompanies a society that’s becoming more equal, while mitigating the damage that these aggrieved chaos agents can inflict on everyone else.
The article isn't making a claim that there is any part of the world where society is getting more equal - just that if such a society were to exist, the perception of loss of status amongst certain groups would be inevitable.