Jean hasn't even bothered the guy that killed her and she had a thing for Wolverine, who literally stabs people every day. She revived a woman who helped her get mindraped so that her husband wouldn't get despondent because his mistress is dead. She literally went around nuking evolutionary dead-end planets. Circumstances change things. If she was going to be distant about every person that has ever hurt someone, she'd be pretty cross with pretty much all of the best X-Men, herself especially.
I think Bishop can't be forgiven for some because of his...um...colorist issue...hahaha. Of course, that's the only reason that story happened to him in the first place. Oh the world we live in. Sad.