Who decides a law is "good?" That is not the function of the Supreme Court. The function of the Supreme Court is to decide if laws are withing the framework of the Constitution. Period. "Goodness" doesn't enter into it at all.
Who decides a law is "good?" Appy Pappy does. Because we live in the Republic of Appy Pappy, home of the rule of men. Laws not required. Constitutions are window dressing. Emotions rule.