Dayen estimates the annual savings from "stringently enforcing fraud and abuse, insourcing operations, and no longer paying for bad advice" at $150b/year.
Then there's tax cheating. The IRS estimates that it undercollects about $606b/year in taxes. The top 1% account for $163b/year of that (Elon Musk's own effective tax rate is just 3.27% as of the five years precedent 2021, the year for which we have his leaked tax return; he paid no taxes in 2018).
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