Hagrid should be dead by now. In my opinion he should have died in book 5. When he did not die in book 5 I though for sure he would in book 6. Why is he still here? Shouldn't he have been killed off along with Sirius and Dumbledore as part of the heroes journey. Why does being a half-giant ensure immortality when being a giant does not?

It's as illogical as Remus and Tonks having to die just because Mr. Weasley lived. As illogical as Snape supposedly shuffling off the mortal coil from a snake bite. WTF?

Personally I think Jo had a Wheel O' Death! and just spun it for random victims to kill.