Because the game doesn't engender such rage against Ellie. Why aren't there montages of Ellie dieing for a "Good Ending" even though it's absolutely possible to do it? Because the game wants you to hate and kill Abby as much as you can. It's really deep story telling so it's not surprising you are missing it.
Why would Abby dieing be such a positive experience in a game that everyone else can have such gruesome deaths in?