This is why we need more brackets at the super high end! Your second million really ought to be taxed at a higher rate than your first million; same with your second billion, etc.

Only if you think the goal of the tax code should be to get the most money.

That doesn’t logically follow - you could hold that opinion if your goal was to have the highest amount of tax come from those with the highest ability to pay. Or also if your goal was to tax most heavily those who use the most public resources (and high earnings is a fair proxy for controlling a lot of resources and by extension using a lot of public goods, like roads and air)