If you're actually curious, look up "progressive tax rates". You can absolutely still get obscenely rich in the US, even if you pay your taxes as intended. They won't though, because psychopathy and crippling narcissism are prerequisites to "earning" enough money to even have that conversation in the first place.
Remember that billionaires...
don't live next to normal people
don't work next to normal people
don't commute/travel next to normal people
don't eat next to normal people
don't shop next to normal people
don't sweat next to normal people
They could not be further removed from the reality of their kingdoms below, unless they were on Mars. They don't want to contribute to the social safety nets that stop the little people from freezing/starving/dying. They'll spend a million dollars to not spend $200 in taxes that contribute to the public good.