Did the Tennessee Supreme Court violate the Separation of Powers doctrine by granting concurrent jurisdiction to state circuit courts over juvenile delinquency cases contrary to legislative statute

Did the Tennessee Supreme Court violate the Separation of Powers doctrine (United I. States Constitution Amendment XIV §1) and United States Supreme Court precedent (Kentv. U.S. , 383 U.S. 541, 86 S.Ct. 1045 (1966)) when it rendered an opinion granting concurrent jurisdiction to the state circuit courts with the state juvenile courts over juveniles alleged to be delinquent, in direct contravention of a legislative statute giving the state juvenile courts “exclusive original jurisdiction ”over juveniles alleged to be delinquent? 3