Why?

Rating: 1/10 (6 August 2010)

Why? That is the main question about this movie. When I watched this movie it didn't yet have its devoted followers. I just wanted to enjoy an Asian movie a friend had recommended. And as I like many Asian movies I had fairly high hopes. As you can tell by my rating of it they were disappointed.
Why does this movie have such a high rating? What is there that I am not seeing?
It starts with a nice enough premise. A guy imprisoned for 15 years with no idea to the Why? and then, after suddenly being released, trying to find out what he did to deserve it. Well, that could be something! And it could have been. But, at least to me, it seemed the script didn't quite know where to go. Instead the lack of a coherent script is covered up in lots and lots of violence. And it is quite obvious that the violence is only used for shock and awe, which doesn't make a good movie.
The two big twists are utter letdowns. The reason for his imprisonment is a joke. They should've gone with complete lack of reason, like in Cube. But as it is, it is just dumb. And then there is this incest theme which also seems to serve no other purpose than to shock people.
Maybe I am too old to just watch a movie because it is shocking. I certainly don't think a movie is good just because it is trying very hard to break as many taboos as possible.
There is absolutely nothing that sets this movie apart from many other movies. No great achievements in acting, story, script, music, cinematography. Absolutely none. Yet it receives very high ratings. I really don't understand why.