I was thinking about posting this too. I see it often on Quora, the attempts to provide exaggerated terrifying information that was entirely unsolicited. Now if a person is obviously looking for a dignified death I believe strongly in telling them the truth and correcting any misconceptions. But a popular strategy on Quora is to inundate the obviously suicidal with graphic fearmongering, much of which is really dubious and unrelated to their original question.
A question about drowning time might get a poorly sourced and terrifying response about consciousness after decapitation in the French revolution (real example). So I would not be surprised if while many of these failure stories are by people who are glad they failed since they turned their lives around or whatever and the truth, many are fabrications or exaggerations. It serves as a good reminder to do one's own research rather than just reading sites like that.
Quora has good SEO too and these questions get plastered in ads for the suicide hotline, so I'm sure these people feel that by posting misinformation about consciousness they're doing a good deed. It's pretty sick, since a real effect is to make the questioner feel trapped and consider risky methods out of desperation.