In this interpretation, Mary's death resulted from early modern political conflict, with uncertainty about whether she had done everything alleged against her. Her position still made her a focus around which political opposition could gather. Scottish opposition to her own rule also forms part of this account. Hereditary monarchy made the removal of a political rival more dangerous than simply replacing an elected officeholder, because the person could remain a threat after losing power.
Notable Point · 3:12:44-3:14:14
Mary, Queen of Scots, and political danger in hereditary monarchy
Mary's political position illustrates why a deposed monarch could remain dangerous, even when particular allegations were uncertain.