In a supermax, you are not allowed to go anywhere except for the exercise room so the guards know exactly what the prisoners are doing every second of the day.
One disadvantage is the controversy that the supermaxis bring along with it. Many prisoners that were once held in supermaxis believe that it was too harsh. Going twenty three hours a day in the same cell without any recreation of any kind can make a person go crazy. Many people have argued that it is not psychologically healthy. Another disadvantage of the supermaxis is that when you are in the shu, you are in there for an indefinite amount of time. If you were wrongly convicted of an action that has taken place in prison and you are placed in the shu, you are not allowed to leave unless you admit to the prison who else was involved in the act with you. If you never debrief to the officers, you will never get out of the shu.
Although I personally believe that the disadvantages outweigh the advantages, the majority of the people believe the opposite. The majority of the people think that the advantages outweigh the disadvantages. That is why the supermaxis are so popular. If people did not like them, then they would not exist. Supermaxi's are in a high demand today and if it continues the way it has been going in recent years, the supermaxis are the prisons of the