Sorry, but there are quite a few flaws in your argument Stick, first you're comparing two seperate measures, one is percentage of pretax income and the other is percentage of income tax revenue, the problem with that is you don't give any values for what the pretax revenus is compared to what the tax revenue is.
In addition, you only took into account pre-tax income, as I noted in my comment earlier, I referred to wealth which is more than just income, as many of the rich are quick to point out, they have low incomes but high wealth, due to the fact that their money comes from other sources than just income like capital gains, so by just pointing to pre-tax income ignores much of their wealth, Buffett for example is quick to point out that his taxes are extrmely low due to most of his money coming from investments.
