<p>This is not likely to be implemented any time soon — I'm putting a <a href="/questions/tagged/status-declined" class="post-tag moderator-tag" title="show questions tagged &#39;status-declined&#39;" rel="tag">status-declined</a> on this.</p>

<blockquote>
  <p><a href="https://meta.stackexchange.com/a/3620/208518">If a comment is wrong, respond to it with another comment. That provides a lot more information than a downvote which could mean anything.</a>  </p>
  
  <p><a href="https://meta.stackexchange.com/a/3620/208518">(...)</a>  </p>
  
  <p><a href="https://meta.stackexchange.com/a/3620/208518">In terms of the value of upvoting comments: if a comment indicates that an answer is wrong, the upvotes on that comment indicate support for the reason given. They're almost like downvotes for the answer, IMO - just without rep getting involved.</a></p>
</blockquote>
