I don’t know, I understand your point, but to me that’s the kind of thinking that led to this movie being overstuffed with fanservice and callbacks in the first place. I LOVE Obi-Wan, he might be my favorite Star Wars character, but I recognize that his part in the story is done. I would have been more okay with some kind of Anakin presence, only because it might created an interesting dynamic with Kylo’s Vader obsession. Even then, I don’t think sticking him in a shot at the end of the movie does much good.