If other nations can have billionaires and we can’t, and our country is vast and rich, we will be at a disadvantage.
The WANT of money is corrupting itself. Actually having the money itself is not needed. People who want money will destroy your little system, and throw your country into chaos, ruination and poverty, united by a conspiracy of common interests.
I would rather just regulate what needs regulating, within reason, with a gentle hand, and only a strong hand with the worst of violations. For the record, I would be much harsher than the us has tended to be when it comes to pollution, etc.