TL;DR If Swartz's death is triggering suicidal thoughts, you must understand that this will pass, and life will be worth living.
After seeing the impact of Aaron Swartz's death on the Hacker News community, I am concerned about the Werther effect (the tendency of a prominent suicide to trigger other suicides). I hope I can help by sharing what I learnt through 10+ years of depression and recovery.
Depression robs you of the ability to:
1. remember happiness
2. feel happiness
3. anticipate happiness
4. make considered decisions
#1-#3 make you miserable, but #4 is the killer. Bits of your brain actually shut down, and you run on pure emotion. For example, when I was depressed, I was easy prey for offers like "4 for the price of 3 on this crappy overpriced chocolate" because I couldn't weigh it up. All I could think was "chocolate: good. 4 for 3: good. 4 for 3 chocolate: irresistible". But if you're running on pure emotion and your emotions tell you "everything sucks" well ... suicide looks like a good option.
So why didn't I kill myself? Somewhere in my guts, there was a stubborn belief that "this will pass". You might even call it a sense of entitlement: "come on world -- you can give me something better than this!" And you know what? It DID! Thanks to some wonderful people, and to Cognitive Behavioral Therapy, I found a way to recover.
With the best 10+ years of my life lost to depression, starting from scratch in my 30s has been hard, but it's still a life, and I swear that life is worth more than you can possibly understand when you're depressed.