Would you have the courage to jump in front of a train, knowing you'll get crushed from it's weight, or to jump off a 100 m tall bridge, knowing you'll get crushed by the water that feels as hard as cement from this height, or to hang yourself, knowing you'll hang there with your windpipe smashed together so you won't be able to breath.
It seems like a pretty bed thing to commit suicide but if the people think there's no chance of anything getting better, I can fully understand why they do. Whe, as the human race, should start to care about why the feel like this.