If the public can't see justice being done, or afford the costs of justice, then the entire system becomes little more than a cozy club solely for the benefit of judges, lawyers and their lackeys, a sort of care in the community for the upper middle classes.
Many of us are under the delusion that the police exist solely to deal with crime and keep us safe. That is to ignore the major focus of many of today's top cops on managing reputation - both of their force and, by default, their careers.