Calling on a politician to resign is civic advocacy justified when the politician has lost favor, confidence and jeopardizes the existence of his own political entity as shown when the politician has been massacred at the ballot box.
Opposition Leader is now just a label, a constitutional designation divorced from function because the holder of this title has spent more time away from his seat in Parliament, making the boycott his personal truancy because, like every truant, he seems not to have done his homework.