Given the numerous blunders Waldemorol has made regarding well-known truths, I dare to suggest that she wants to mislead everyone by claiming that Sindin doesn't exist, and therefore, they need to kill the troll because he will be redirected. Right? :)
Profanum vulgus et inscium ne attrectato:
Omnesque Astrologi Blenni, Barbari procul sunto
Qui aliter facit, is rite sacer esto