That's very kind of you to say. But I think my comments here are also inspired greatly by having just read your posts. So please accept the same compliment back from me :)
Yes, we all can change. It doesn't mean we will always make the change we need, nor change for the better. But in any case, the only thing that makes sense is to always try to help people, and yourself, move in the right direction.
I haven't seen that movie yet but now I guess I should. ^^ Indeed it is a fascinating thing about humanity, how we are equally capable of causing destruction as we are of building wonders.