It shows that the cartoonist thinks supreme court justices are supposed to rely on their opinions.
Supreme court justices are supposed to rely on their opinions because having and writing an opinion assists judges to think about complex issues and drives them to carefully consider the reasons for their decisions. The judges often take fulfillment in the decisions they make and want reassurance that they are right. The day on which the court issues its opinion, the text of each opinion is straight away made available to the public and the press in a printed form known as a bench opinion. The Court is bound by the prior judgments of same level.
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