if this was in fact confirmed, it would become the 1st direct death resulted from THC poisoning and it would make lots of buzz at the time

FYI

"By Richard Savill
London
January 21, 2004"

thats b4 Saddam was found. he's been long dead now!

and plus:
u can die of any poisoning, even pure water poisoning... anything taken in excess amounts can poison ur body! ur liver and digestive system fail under pressure of excessive amounts of chemicals processed and in case of water poisoning:

"The fact that water can cause fatal overdoses is not well known. Often called 'water intoxication' or 'hyponatremia' (low salt), water poisoning results when too much water is ingested in too short a time without replenishing electrolytes, particularly sodium and potassium."
source How much water would a person drink to get water poisoning? FunAdvice.com

i know the link u found comes #1 when u google "cannabis death"

but here is a better source for comparison (not just a mere single report by some Australian site in a bush-like admin era!)
Can marijuana use cause death?