Geez. Who really thought that Han blasting Greedo was bad to begin with? I never did. I mean, his life was on the line, for crying out loud! Han definitely does have a character arc, but I really don't think it's tied into that scene all that much. I mean, do you think the ROTJ Han would put up with that shit either? Or would Yoda in ROTS when he chopped those clones' heads off? It's just common sense and looking out for yourself. But apparently to Lucas it's wrong... unless you're a green Sonic the Hedgehog.
By the way, could anybody post a transcript of the article? I'm interested in reading it.