That may depend on who wants Harry to lead. To Canon!Voldemort, invisible assassin was a sort of leadership. To HPMoR!Dumbledore, not as much, albeit still more so than most. On the other hand, Yudkowsky takes the strong version of Aumann’s agreement theorem. To Rationalist!Harry, the person matters less than the rationality and the priors.
That may depend on who wants Harry to lead. To Canon!Voldemort, invisible assassin was a sort of leadership. To HPMoR!Dumbledore, not as much, albeit still more so than most. On the other hand, Yudkowsky takes the strong version of Aumann’s agreement theorem. To Rationalist!Harry, the person matters less than the rationality and the priors.
What Quirrelmort wants… that’s more complicated.