> the purest poison against rational discussion Unrelated to the thread, but I find unmotivated disagreement (expressed with downvotes) also poisonous. I think

> the purest poison against rational discussion Unrelated to the thread, but I find unmotivated disagreement (expressed with downvotes) also poisonous. I think it would be interesting to allow downvotes only in combination with a "downvote comment" expressing the reason of the disagreement.