I agree entirely. I usually avoid Millar's work like people should avoid the plague... but v2's Immonen art and Great Old One made me read and enjoy...
If you want brutal, more mature sci-fi, you definitely want to go European. 2000 AD has tons of this, from Judge Dredd and beyond. I highly recommend...
I read it as regular Xavier all the way through. Post-resurrection narration has him talk about restraint, and reflecting over the morality of using...