There are intangible costs to high relative inequality (whatever the absolute level of wealth). They don't matter as much as not starving. But I can see why people are concerned about it.
In economically more equal societies, people tend to treat each other as equals in other ways. For example, I'm fairly convinced that the wealth inequality in America is why Americans to treat their low-paid service workers so poorly, compared to most other very wealthy countries. They're beneath them in the implicit class hierarchy created by the unequal wealth distribution.
Similarly, if the yearly salary of a police officer, judge, or tax auditor, is simple pocket change to the wealthy, then they're all for sale.
In economically more equal societies, people tend to treat each other as equals in other ways. For example, I'm fairly convinced that the wealth inequality in America is why Americans to treat their low-paid service workers so poorly, compared to most other very wealthy countries. They're beneath them in the implicit class hierarchy created by the unequal wealth distribution.
Similarly, if the yearly salary of a police officer, judge, or tax auditor, is simple pocket change to the wealthy, then they're all for sale.