The more awareness of suicide, the risk factors, and how to not tread into that space, the better.
I know YC likes to promote flocking together as founders, but I think it's really healthy to have one or two close confidants that are completely outside the startup community. You need to be able to rant to these people and unwind emotionally. A lot of your rants might be non-sensical, might be hypocritical, and even a tad self-centred. The last thing you need is another opinion in that situation, especially one telling you you're wrong for feeling the way you do. You're least likely to find one from people that simply aren't interested in entrepreneurship.
Suicide has a strong triggering effect; see "Werther effect".
Talking about suicide has to be done carefully to avoid triggering further suicidal behaviour; especially after someone has just completed suicide.
I'd agree that more awareness of suicide prevention is very important.
There's a big difference between talking directly to a person who may be suffering, when you should be direct and then be able to guide them towards help; and talking in a thread like this with a lot of speculation and abstract talk about suicidal behaviours.
tl:dr - you're right, and I missed the point you made in my post.
I am not for censoring information but maybe an admonition to refocus on checking up on friends who might be depressed or stressed out, without specifically mentioning the word "suicide".
The truly sad part (beyond the ending of so many young lives) was the utter cynicism the rest of us got to. The grief counselor who was dealing with our class was utterly horrified by us wondering how anyone commits suicide by using a door knob and how we concluded that someone was using the suicides to hide a murder. Looking back, I suppose it was a coping mechanism.
Take care of your fellows and don't fool around non-professionals.
A good example of the Werther effect is the string of copycat suicides in South Korea after an actress, Lee Eun-Ju, took her own life in 2005. After her death, the suicide rate of the general population in Korea spiked with notable celebrities also taking their own lives. Here's a frightening statistic from the LA Times "In South Korea, 15,413 took their lives that year , or 28.4 for every 100,000 residents."
As an individual who has overcome manic depression and dealt with suicide personally and amongst friends, it is a difficult issue to approach and conquer, especially because when caught in a downward spiral everything seems to perpetuate it and nothing seems to help. It is not enough to simply ask if a friend is doing alright or has harmful intentions but it takes a person (family or friend) who can weather the storm with them. I feel that it is almost equally difficult for the person helping because they have to be willing to listen to and be understanding of the irrational thoughts that plague a suicidal mind. From an outside perspective, the burden of the troubled is vastly greater than the burden upon a helping hand but I think the cumulative process of helping someone can be equally detrimental and taxing. I hate to make a movie reference but the movie What Dreams May Come paints a good metaphor of the risks involved with trying to pull someone out of their sorrow, although not quite as dramatic.
(From Wikipedia which turn quoted Meyers, David G. (2009). Social Psychology (10th Ed). New York: McGraw Hill. ISBN 978-0-07-337066-8).
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Please use use this service if you are even remotely affected by this discussion in a negative way. I fear this will escalate and push a reader over the edge who doesn't think they have an alternative. They do. If you are one of these, please seek help.
If you find yourself dealing with a suicidal person and you don't have this number handy, dial 911.