This seems less intuitive than the idea that wealthy people are less likely to commit petty theft because a candy bar is a much smaller percentage of their expendable income than the percentage of the expendable income of a lower income person.
No need to use such vitriolic language when I think it is clear what the parent comment was trying to say. People making 6 figures are paying anywhere from 3 to 25% more of their income than a person earning median income in the US. For reference, see the base tax rates for 2013 [1]