As an institution Judiciary as a part of sovereign set-up ,get up and the support of sovereign command and executability  appear indispensable not because it is so but because we have not thought of developing an alternative for the same and further that we have been living in this set up from the fist day of our humanly existence.
A monopolistic justice delivery and service providing system can never be flaw less for all the time to come . Time pollutes. Time brings in wear and tear.
It is bound to be rigged. Manipulations will take over any system if it has no competitions or no threat. No system corrects itself voluntarily. Power once given - it is very difficult to get that back .
None is ready to shed its/his /her  majesty.Power has a tendency to perpetuate itself. Attempts shall always be made to renew the power lease. Power has always been abused. So shall be the power to decide , adjudicate, judge.
A too protected system ceases to be an effective system. A  system which is not revisited periodically internally as well externally is bound to corrupt itself.
Power has a characteristic to assume opaqueness. This opaqueness gets denser and stronger with time.The so called sovereign sanction grew out of social acceptabilty