I find the often-preachy-and-self-absorbed explanations of why someone was downvoted really obnoxious. People here aren't stupid, we usually have a pretty good

I find the often-preachy-and-self-absorbed explanations of why someone was downvoted really obnoxious. People here aren't stupid, we usually have a pretty good idea of when we're saying something controversial and/or why someone might downvote it. And some of the explanations I've seen, just wow... Explaining to someone that saying "thanks" is meaningless and adds nothing to the discussion is just a slap in the face.