Of course he's redeemable, maybe the writer could concentrate on some of the impressive things about him. Teacher, mentor, school administrator, detective, leader. He's put teams together to keep the X-Men going at some of their worst times. They're probably going to have to do something about his power level as well, whereas previously, back in the late 70s he was the only X-Man who worried Magneto he's now at the level where just about anyone can take him on without even breaking sweat. He's supposed to be able to level mountains, liquefy anything in his way, now he seems to be just about able to make someone need to turn their radio up a bit.