It's not really like the life he had contributes to him killing himself. You could be perfect and still hate yourself, its basically just how you function and some people learn to live with it, some people can't. Most likely he was depressed, or was going through mental difficulties that usually occur due to a chemical imbalance in the brain.
It's not really that big of a deal, some people probably really liked him and are sad about it. You giving them shit for it is just salt in the wound for these kids, think of it as if your friend died and someone decided to piss on his grave just because they weren't close to him.
Get some fucking logic. Tard.