"For me, the whole idea was that the number was small enough that they could be expunged if the world got determined about it. You know, that it was something that the Avengers, if they wanted, could deal with. That was what gave Magneto so much of his passion and focus. In terms of defending his people, they really were dancing along the edge of extinction and they really did need someone like him. The difference, and the reason that the school was so intent on remaining clandestine, was that if they were exposed, they could be destroyed."