No, Justice Kagan, justices lose legitimacy when they rule based on personal policy preferences rather than based on the law and the Constitution - casting aside the whole point of a judiciary. In Dobbs, the justices made no ruling on any personal policy preference but recognized the reality that the Constitution does not permit the Court to regulate abortion policy and adhered to that reality.
No, Justice Kagan, justices lose legitimacy when they rule based on extortion example Roberts and obama and Obama care tax