QFT. A whole generation of potential comics readers know John as their first Green Lantern.
A whole generation of potential comic readers knew Hal as their first Green Lantern when they killed him.
Guess what eventually happened to that dead guy. Guess what happens to most dead guys in comic books.
(Unless this is the first arc you've ever read, I apologize for the spoiler of "Dead doesn't equal dead", especially once Bucky AND Jason Todd came back)