And if he remains entirely himself, you're probably safe to. Both versions I've known were willing to do whatever it took to protect the X-Men and mutant kind. [Including run a secret assassin team whose stated goal was to take out threats to humanity and mutant kind in a more permanent capacity than the X-Men were willing to. Kurt had almost felt at home, fighting with that team in a funhouse mirror of his own world.]

It's when he wasn't entirely himself any more that he became a danger. Doubt you'll have to worry about that.