https://www.pgpf.org/blog/2022/11/social-security-reform-options-to-raise-revenues
There's a ton of right wing sites that would tell you eliminating the cap is a complete waste of time horrible for the economy, bringer of the end of days, etc.
Bezos, like many ultra wealthy, most likely paid himself some token amount in wages. Many CEO's used to pay themselves $1, just to say they had an income. They have accountants that decide how much he should claim as wages, just to maximize the returns from Social Security, without paying into it any more than needed.
Disappointing really, political leaders need to learn how to pass on to the next generation. The Dems are especially guilty of staying in office too long, and screwing up their own legacy in the process.