If you accept that sooner or later, most people in prison will be released, then a major part of the prisons mission must be rehabilitation, aside from restorat

If you accept that sooner or later, most people in prison will be released, then a major part of the prisons mission must be rehabilitation, aside from restoration of justice through punishment. Because if it’s not, then people that are sent to prison will not improve and society will loose - both by removing a potentially productive member of society and by paying for the imprisonment.