Death is the result of Cancer.

Suicide is the result of having a mental condition. 
A condition which like cancer the victim has no choice over having, it is inflicted on them the exact same way.

Most of the thread has already covered this, so instead of spending a long time saying the same point's again I'm just going to urge you both to go back and read the rest of the posts on the thread. Specifically the one's Jorick made. Until you've bothered catching up on said posts and the debate you're not in a position to be calling anyone an idiot or acting as if you know for a fact if you're right or wrong.