I watched it just recently...it gets really weird for a while there with that blond dude stomping those animals in the bowling alley but aside from a few flukes like that, I enjoyed it.
Japans spat of ultra-nihilistic exploitation as of the last ten or so years has been excellent, albeit a bit confusing for those of us who dont live in Japan and therefore dont readily understand the dire social situations they are supposedly dealing with, or at least headed for.