Also…
There’s a form you can fill out if you don’t want the government taking your money for Social Security. You have to do this for religious reasons.
And the government will never take the SSI tax again.
And you’ll never get SSI benefits when you get old.
https://www.ssa.gov/OP_Home/handbook/handbook.11/handbook-1128.html
This would be a very bad move for most people.