I do not think that he has been moderated down because people disagreed with him, rather because the post was redundant. The question has been asked (probably several times) before and, as the first response indicates the issue has not gone away.
Would a valid solution to this issue be to supply a short reason for voting - and have this displayed for all to see? eg insightful/informative/original for +ve votes and redundant/obvious/offensive/pointless for -ve votes? (apologies to \. for the blatant rip-off of their ideas...)