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The job performance of doctors, lawyers, teachers are monitored along with real estate agents, stock brokers and many other professionals.
These professionals are evaluated to protect their clients from unprofessional behavior. Since the establishment of the Supreme Court only one Justice has ever been scrutinized.
In 1804 Associate Justice was impreached, but after his trial in the senate he was found not guilty.
I believe that as long as the job performance of the Supreme Court Justices are never held accountable, they will continue to misinterpert the Conttituion and violate their oath to preserve, protect and defend the Constitution.
If Congress impeached a Justice every two years, I believe it would force the Justices to base their rulings of the Constitution rather than their personal opinions.