Provincial courts are courts of summary jurisdiction, dealing generally with offenses proceeded with by summary conviction, non-indictable offenses (misdemeanors at common law), family and juvenile courts, small claims courts and the conduct of preliminary hearings of indictable offenses (to determine whethere there is an arguable case to bind it over for trial).
They are not courts of inherent jurisdiction and while their decisions might be possibly persuasive, stare decisis does not attach to them, especially in respect of constitutional issues.
Essentially, she is a magistrate, not a court of inherent jurisdiction.