The author also takes the position that the crime doesn't matter, that if you have money, you should be able to make it all go away. So all the black ghetto kids who don't have money must go to jail if they do the same things Polanski did, but if you have enough money, you don't have to lower yourself to such lower class results.
That is, of course, a reversion to very ancient forms of law.
Until quite recently punishments generally varied by the status of the perp and/or the victim.
Even today this is often the case, although de facto rather than de jure.