Not all income inequality is created, um, equal. Dave Schuler explains:
[M]y greatest concern on this subject is how rent-seeking drives income inequality rather than on income inequality per se. Michael Jordan’s or Tiger Woods’s wealth do not concern me. The Kennedy family trust does. In a society as complex as ours with a government as pervasive as ours these rents take a vast number of forms — they encompass everything from royalty income to physicians’ wages to the subsidies received by bankers or GM executives and workers in the late recession. When you use the wealth you’ve gained through these rents to promote increases in your rents, as the late Sonny Bono manifestly did, it presents an assault on liberal democracy.
Not surprisingly, tax rates — effective tax rates, anyway — won’t be going up any time soon:
[W]hen the highest marginal tax rate was over 90%, effective tax rates were little higher than they are now, i.e. marginal tax rates are virtually irrelevant to income inequality. Also, consider how many millionaires are sitting in the U. S. Congress. Does it actually seem likely to you that Congress will enact a tax on wealth? IMO a significant number of them are there to ensure that such a tax is never enacted into law.
And the rest, I’d be willing to bet, are willing to prevaricate about it in order to shore up their own positions.