Ray Ferraro was discussing this on Vancouver radio yesterday. Asked about whether Subban is the NHL's equivalent of Reggie Jackson, he replied that Jackson was insufferably arrogant, and nothing in Subban's persona suggests arrogance; he went on to say that 'in a league that is devoid of personality' it's good to have PK Subban. I couldn't agree more with this. Your accusation that he is 'unprofessional' is predicated upon the very model of 'professionalism' as personality-free humourlessness and utter negation of individuality that makes the NHL today so dreary. Subban represent a different model, a much more 'Millennial' model that allows for character and self-expression while also bringing it every single shift, game in and game out. I suspect that as time passes, the dominant NHL model is going to become less and less palatable to younger generations, because it's a completely hide-bound all-controlling 'corporate' approach. Unless hockey culture can accommodate itself to the Subbans of the world, it eventually risks turning into the CFL - locked into older demographics that think self-expression and creative individuality are things to be punished.
As for the "GHG Subban is gone, who cares about him" philosophy, I can see it...but the same reasoning would also have said, "Roy and Keane are gone, Thibault and Ruscinsky and Kovalenko are here, rah rah rah, go team go!!!!" No, I'm not trying to say that Weber is a bad player or that this trade is the equivalent of that one (it ain't). But the mentality that says "GTG no matter what!!!" is too mindless for me. Subban's the coolest dude in all of hockey and we traded him away for what is basically a lateral hockey move (in the immediate term). Those who dislike the 'automaton' model of hockey will dislike the trade on a 'personality' level and what it represents, and so will be unwilling to just blindly sing hosannahs to the gods of MB and MT. And that's without getting into the debate on a purely 'hockey' level.