The philosophy is more akin to Paladins and Knights than to people in general: Yes, evil exists, and we have to live with it... But we cannot tolerate it!
P.S. 2 ML. Undead are ALREADY raised from their graves by Necromancers, and not for the best of purposes. But I understand you, and therefore, I will correct the inscription in my post from undead to Necromancers.