In all seriousness, I do love having him around just to be able to get some different looks each week. From memory, we’ve seen Colossus, Lady Deathstrike, Quicksilver and Hulk from Morph alone. That’s pretty awesome.
Spoiler!
You always have to keep the X-Men’s end goal in mind. They want peace between humans and mutants. They know the ramifications of Magneto’s action will make that peace nearly impossible. They said he killed thousands at least.
Spoiler!
I was trying to think of how he killed anyone with what he did, but I guess people need electricity when hooked up to life support stuff like that, but what other option did he have? Everyone was going to die if he didn't do what he did.