Because causation != correlation. This could just as easily be explained as "severe depression has a genetic factor".

We know it has a genetic factor.

We also know that's not the full story, and that people who lose a parent at a young age for any reason are more likely to struggle emotionally.

When teenage suicide clusters hit all the small towns within 50 miles of each other, you're positing that they were actually half-siblings and didn't know it, eh?

I'm glad people like you downvote me, it lets me know that I'm right.

> I'm glad people like you downvote me

HN doesn't let you downvote people who respond directly to you. Don't make assumptions like that.

> Not sure why this is downvoted.

Almost certainly guarantees was very false. The review said The absolute risk of dying by suicide in offspring of suicide decedents ranged from 0.23 to 2.9% (mean 0.87%; median 0.56%) in the included cohort studies.

Comments should get more thoughtful and substantive, not less, as a topic gets more divisive.[1] Unless the facehugger has just laid an egg in your gut, suicide is never rational was not thoughtful and substantive.

[1] https://news.ycombinator.com/newsguidelines.html