Suicide is the GOAL of those who jump off bridges or swallow bottles of pills.
Suicide is merely the METHOD of some one who intentionally crashes a jet with 150 passengers - mass murder is the GOAL. No different than kamikaze pilots or so-called suicide-bombers.
In the coming days you will hear more about how he was bullied into this by the other pilots who called him Tomato Andy.
It will be interesting to find out if the Captain was one of them.