I'd recommend reading the proposed provisions themselves directly from the Ways & Means Committee instead of the main article urging action: https://www.advantaira.com/wp-content/uploads/2021/09/WM-Tax... Highlights: 1. You can't add new contributions to tax-advantaged accounts if their total value exceeds $10 million and you make over $400K for single filers, amounts indexed to inflation. 2. There are required minim…
(That said, I'm guessing the intent of the provision is more about fairness/eliminating a loophole for the wealthy than strictly generating revenue).
[1] https://www.propublica.org/article/lord-of-the-roths-how-tec...