Kelly was mostly painted as a simple grounded guy that was decent but afraid of the future he couldn't understand. Bob really wasn't thinking concentration camps when he introduced the mutant Registration Act, in his mind in the beginning he thought it was a parallel to gun control legislation.
I mean, was Tony Stark seen as a modern day NAZI for introducing and enforcing the Superpowers Registration Act?
(Yes, Yes he was.)
Magneto totally explains the magic Bullet theory.