Just going to throw my take into the ring.
I'm a little torn with this one- but ultimately I think the response needs to be a case by case basis. If a user is posting that is assuredly looking towards CTB (even if impulsive) I usually would avoid giving them words of reconsideration. Sometimes it's just frustrating to hear that.
If someone is posting about a CTB method that is unreliable, extremely dangerous/toxic, etc. I'm inclined to reply just to inform them that their chances are low, and it may be better looking towards other methods to avoid the frustrating consequences of failure when it comes to CTB. If they do choose to try, that is their right.
Maybe this is just my pessimistic mindset, but I do think there needs to be less nuance with the suicide discussion and recovery section. The lines feel blurred a lot of the time, but I do understand why. The recovery section is infinitely less active than here, and most people are inclined to come to this section in hopes of answers. Which means you can get a pretty mixed bag of people, and I have seen some posts that I feel don't really relate to suicide whatsoever, honestly.
On the other hand- having basic human empathy and asking questions is not a bad thing and I do applaud that. I would never go out of my way to encourage someone to CTB, I'd just more listen and accept their personal decisions.
I might ask questions to gain better understanding, but if someone is in chronic pain and wishes to CTB due to it- even at an emotional high, when it comes to those types of circumstances, there often generally can't be a lot more done to help if they have tried multiple things for themselves already.
It's frustrating to hear when you're in that position and just want to vent, and they might've just responded brashly out of irritation. Because they've likely heard it a million times from other people who are not in their shoes.
If they are seeking positive advice, they probably need to be in the recovery section/off-topic for a start.
I don't think it's wrong to try your best to reach out though, and I don't think you're in the wrong for trying. You just wanted to ask, and you didn't say anything necessarily harmful at the end of the day. Valuing empathy and support for those struggling is an admirable trait, and not something you should feel is wrong at all. We are all strangers at the end of the day, and you cannot control how someone takes things.
^
That might directly contradict what was said above, but to clarify I was only trying to provide context into the poster's potential POV.
<3