One occasionally encounters comments to the effect of "Why the downvote? It is not useful to downvote without commenting."

Are users who vote down a question or answer expected or required to comment explaining their reasons for their vote?

  • Hmm - are you intending to stake out new ground compared to this post? meta.apple.stackexchange.com/questions/1693 – bmike Jun 13 '13 at 19:13
  • 'Doh. How did I not find that in my search?!? – Daniel Jun 13 '13 at 19:42
  • I've got several of these on the main meta - search, search, ask - then see the related list and get duped again. – bmike Jun 13 '13 at 19:48

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