Lord Shen's Death

When Kung Fu Panda defeats Lord Shen at the end of Kung Fu Panda 2 you will notice that he doesn't kill him. He does another cool move withe "inner Peace" saying "Skadoosh" In the first movie, thi is when the villain dies. In the second movie the cannon goes into Lord Shen's cannon and there is an explosion. If you were to skip the next little scene and just go to the wrap up of the heroes hugging, it would be just like the first movie. In other words, Lord Shen could easily have died without the next scene. But they have another scene where he dies. Why? I'm sure there was some issue with how Po killed Tai Lung. Some discussion about it, and so the next scene is added.
Po climbs aboard the ship and Lord Shen is still alive. Po gives Lord Shen a chance to redeem himself (just like he gave Tai Lung a chance) and even lectures Lord Shen about he needs to let go of the past and all that hatred. Po does this despite the fact that unlike Tai Lung, Lord Shen definitely did kill people. In fact he carried out a pogrom on Pandas and for all Po knows is personally responsible for the the death of Po's biological parents. Some people say because of these scenes the second movie is darker, and indeed it does seem to be scarier for my kids. But there is a real reason to put Shen to death. He is really bad and is trying to take over the world. Tai Lung is not really that guilty of much. In fact, if you think about it, if you took away his Kung Fu, he'd just be a jerk but not a threat. A Buddhist monk faced with Tai Lung would just handicap him or something. Without arms and legs what can he do? Maybe they will go back and try to explain that the Wushu finger hold doesn't kill after all because Tai Lung really could be rehabilitated. I think the writers might have decided it was a mistake to kill him. (Morally. Plot wise death is just cleaner and easier. Doesn't make it right though.)
Because of this problem. Po lectures Lord Shen and then Lord Shen tries to stab him. A real threat, unlike Tai Lung's pressure points that just tickle Po. And then, Po doesn't end up killing Shen. Shen bumps into some stuff and a Cannon is falling. Po runs, but Lord Shen let's the Cannon fall on him. Lord Shen dies in an accident/suicide. And so morally Po is nor responsible at all. I think in part two they were more careful about that death scene. They had to make it so that Po cannot kill and indeed is willing to forgive even the worst villain. Because killing the villain in a joking cuddly way in the first one made the audience and everyone feel good, but hen you analyze it, it was kind of wrong. But also, Po has just become the Dragon warrior in the first movie. A very unlikely Dragon Warrior. The other candidates are Tigress and really Tai Lung. Tai Lung should be the Dragon warrior, his name is Big Dragon, except for his evil, but essentially he has all the qualities of the Dragon Warrior otherwise. Where as Po just has the right personality, the Right understanding, and just a little bit of training.
So you could say that death is more about the death of a personality than the death of a person. And that's why we don't think of Tai Lung as a person.
I think they really should at some point, explain that Wushu finger hold, and I think they purposefully left it vague, because it is a hard thing to explain. As it is now, Po murdered Tai Lung in cold blood almost. (but with no witnesses to prove it and so the self defense argument is easy to make) But maybe later they culd explain that the Wushu Finger hold simply takes away your Kung Fu and all your evil or some such thing. But it's too hard to explain, so the writers purposefully leave it vague.