We look at death from the selfish side, like: "That guy...

We look at death from the selfish side, like: "That guy died. Oh, it's so sad." Why is it sad? He's away from all of this bad stuff that's here on Earth. I mean, at the worst, he's just somewhere quiet, no nothing. At best, he's an angel... or he's a spirit somewhere. What is so bad about that?