Supposedly, the low quality review queue allows you to vote to delete (a 20k privilege) 0 scored answers from the review, in hopes this speed up the deletion processspeed up the deletion process. If 3 20ker users vote to delete an answer, it will be deleted (even if the score isn't -1 or less), otherwise your delete vote will count as a "recommend deletion" vote, in which case 6 are necessary.
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