The first paragraph is the nominal tax rate and the claim that OP is offering is based on the idea that the ultra wealthy find ways to avoid that tax rate and e

The first paragraph is the nominal tax rate and the claim that OP is offering is based on the idea that the ultra wealthy find ways to avoid that tax rate and end up paying less than middle class income earners as a percentage of their income. I believe that this is true. The second paragraph is the actually relevant stat, though: for all that they avoid the nominal tax rate, they still pay the majority of all taxes.