I still think the focus on wealth/income inequality rather than on absolute poverty is irrational. I've seen people justify it to me on the grounds that people care about relative poverty, which to me reads "people are jealous". But then the result is: 1) A focus on inequality is irrational. 2) People focus on inequality for irrational reasons. This means that if policy-makers and intellectuals fully give in to the p…
Unfortunately, human society is made up of humans, irrational though they may be. A high degree of inequality usually indicates one of two things: a dictatorship, or a society that is liable to vote in populist leaders (and hence potentially turn into a dictatorship). An highly unequal society is not a healthy society.
That's the most important point. If people stop feeling that they have a part of growth in the economy they stop engaging and a country loses cohesion.