user37622: The Meta sites associated with Stack Exchange sites are full of discussions about on-topic/off-topic and what is a question worth to answer and stay. Arduino SE is a technical SE site and a large part of questions are about coding. So we can look for directions at Meta of the Stack Overflow (SO), the first and largest SE site. Even there the discussion continues, but some things are clear which here aren't.
One thing are trivial questions. In coding these are questions with missing braces, questions with typos in code, other syntax error questions, questions with 'code blindness'. These are off-topic on SO and off-topic on Arduino SE simply because they are pure coding questions (which should be asked on SO).
Then there are questions which, only after clarifying the details in comments, turn out to be trivial. This are sometimes closed on SO as 'not reproducible', because the problem went away.
These questions shouldn't be answered, if they are answered the answer shouldn't be upvoted. This allows the cleaning process nick-named Roomba (as the cleaning robot) to delete later this question + answers.
So we can help the seeker of an answer to a trivial question in comments or even in answers, but let the Roomba delete it later.
The example of trivial question for electronics would be, I think, a ground not connected where it definitely should be or 'not working' unpowered device.
One example outside of technical SE and not clear first for an outsider is that on Movies SE, movie identification questions are off-topic. If someone asks "I saw long time ago this movie where .... Do you know the title?", they close it, because the site would be full of this if they didn't. But of course they put the title in a comment.

user10794: This question is probably a reaction to a comment I made on a (now deleted by the author) post, in which I said that comments under questions are not for answering questions.
I referenced this post: How do comments work
Stack Exchange is not a forum and is not intended for ephemeral questions (like, "how do I fix this trivial issue") which are answered in comments and then deleted by the author. You can use a forum for that, and in particular The Arduino Forum.
Either one of two things will be true:

The question is a good question. It deserves an answer, and the question and answer(s) will stand to help people in the future. Like a knowledge-base. In this case make an answer. Other people may make different answers. People vote on the answers. The highest-voted answer will float to the top. The person asking the question will hopefully "accept" one of the answers.

The question is not a good question. It should not be answered in a comment. It should be downvoted, and eventually closed and deleted.


I have a Meta post How to ask a good question for Arduino Stack Exchange. You can reference that.
If the question is borderline useful (for keeping) then you can improve it yourself. Perhaps change from a very specific example to a more general example.
You could also make your own reference question that covers the points raised, but not the specific example, and explains in some detail how to resolve this particular point.

Attempts to answer in comments, and allow the user to delete the question, basically turn you into an unpaid consultant. No-one else is helped, because the question is then either deleted by the OP, or auto-deleted as you seem to be suggesting is a good idea.

37622: <p>The Meta sites associated with Stack Exchange sites are full of discussions about on-topic/off-topic and what is a question worth to answer and stay. Arduino SE is a technical SE site and a large part of questions are about coding. So we can look for directions at Meta of the Stack Overflow (SO), the first and largest SE site. Even there the discussion continues, but some things are clear which here aren't.</p>
<p>One thing are trivial questions. In coding these are questions with missing braces, questions with typos in code, other syntax error questions, questions with 'code blindness'. These are off-topic on SO and off-topic on Arduino SE simply because they are pure coding questions (which should be asked on SO).</p>
<p>Then there are questions which, only after clarifying the details in comments, turn out to be trivial. This are sometimes closed on SO as 'not reproducible', because the problem went away.</p>
<p>These questions shouldn't be answered, if they are answered the answer shouldn't be upvoted. This allows the cleaning process nick-named Roomba (as the cleaning robot) to delete later this question + answers.</p>
<p>So we can help the seeker of an answer to a trivial question in comments or even in answers, but <a href="https://stackoverflow.com/help/roomba">let the Roomba delete it later</a>.</p>
<p>The example of trivial question for electronics would be, I think, a ground not connected where it definitely should be or 'not working' unpowered device.</p>
<p>One example outside of technical SE and not clear first for an outsider is that on Movies SE, movie identification questions are off-topic. If someone asks &quot;I saw long time ago this movie where .... Do you know the title?&quot;, they close it, because the site would be full of this if they didn't. But of course they put the title in a comment.</p>
 10794: <p>This question is probably a reaction to a comment I made on a (now deleted by the author) post, in which I said that comments under questions are <strong>not</strong> for answering questions.</p>
<p>I referenced this post: <a href="https://meta.stackexchange.com/questions/19756/how-do-comments-work">How do comments work</a></p>
<p>Stack Exchange is <strong>not a forum</strong> and is not intended for ephemeral questions (like, &quot;how do I fix this trivial issue&quot;) which are answered in comments and then deleted by the author. You can use a forum for that, and in particular <a href="https://forum.arduino.cc/" rel="nofollow noreferrer">The Arduino Forum</a>.</p>
<p>Either one of two things will be true:</p>
<ul>
<li><p>The question is a good question. It deserves an answer, and the question and answer(s) will stand to help people in the future. Like a knowledge-base. In this case <em>make an answer</em>. Other people may make different answers. People vote on the answers. The highest-voted answer will float to the top. The person asking the question will hopefully &quot;accept&quot; one of the answers.</p>
</li>
<li><p>The question is not a good question. It should <strong>not</strong> be answered in a comment. It should be downvoted, and eventually closed and deleted.</p>
</li>
</ul>
<p>I have a Meta post <a href="https://arduino.meta.stackexchange.com/questions/2523/how-to-ask-a-good-question-for-arduino-stack-exchange">How to ask a good question for Arduino Stack Exchange</a>. You can reference that.</p>
<p>If the question is borderline useful (for keeping) then you can improve it yourself. Perhaps change from a very specific example to a more general example.</p>
<p>You could also make your own reference question that covers the points raised, but not the specific example, and explains in some detail how to resolve this particular point.</p>
<hr />
<p>Attempts to answer in comments, and allow the user to delete the question, basically turn you into an unpaid consultant. No-one else is helped, because the question is then either deleted by the OP, or auto-deleted as you seem to be suggesting is a good idea.</p>
