It also ignores how the criminal justice system works, especially in the US, on both ends. Money buys all sorts of sealed, adjudicated, pardoned, plea-bargained down to a misdemeanor, etc, type solutions. Lack of money makes it easy to press "accept this plea bargain or risk eons in jail" convictions on innocent people. There's also a myriad of ways to enhance charges that make a relatively minor crime sound much worse.