Many of those billionaires became so through their government contacts/contracts.
The Fed has a massive problem, and that probleem snowballs down to us, and the reason we have a massive overspending problem is because the Fed has chosen winners and losers to create captive government.
Currency for the past 5 years has been devalued on average across all 5 years, about 25% in aggregate according to government numbers. If you revert to more accurate calculation numbers (ShadowStats), then its almost 40%.
Taxing the rich won't fix this, it comes down to a selection process that only selects for candidates that will make this problem worse through mathematical capture of first-passed-the-post voting. If you have two groups that each exceed 33% of the vote in aggregate, no other group can win.