Magneto was probably worried about them, too. But you don't need to warn Storm about the dangers she's already aware of. He wanted Storm to keep her...
I think he was genuinely remorseful. He might have been aware he was made into a robot, but not that he would become what he is now. Maybe he wanted...
Glob might have actually been a better choice for getting the Wrongslide treatment. We could have gotten a good character out of it, and we'd be rid...
I actually think the themes of Krakoa kinda made all the mutants patriotic to an extent. They were all about their land and new country. We saw them...
Because she was bad at it and to help emphasize how at odds it was with her personality? Betsy wasn't a patriot. She doesn't even care about Britain....