Bezos' taxable income isn't $1,000,000. Only an idiot billionaire would structure their day to day processes in ways that were taxable. He likely operates like other extremely wealthy people do[1]: take a small salary to cover the interest on extremely low-interest loans made possible with his massive stock holdings as collateral.
1. https://www.propublica.org/article/the-secret-irs-files-trov...