Yes of course it is getting dangerous.
I also watch hes Death Note video, but that was a bit different subject where young kids are being influenced
Twilight fans on the other hand have some serious problems. You should also watch the South Park episode on twilight it's hilarious. If you look at this closely this has been going on for the last 2000 years. The bible is a collection of fatasy and so are other important religious books and people have believed in them so much that they will kill other people because they don't.