Every N times someone upvotes a comment, prompt the person with a reminder that good reasons for upvoting a comment are x,y,z, not a,b,c. One especially importa

Every N times someone upvotes a comment, prompt the person with a reminder that good reasons for upvoting a comment are x,y,z, not a,b,c. One especially important thing for the latter category is "You agree with the content of the comment."