On a related tangent, what reasons are there not to publicize votes and voters in discussion fora? I think it would be very interesting to be able to identify

On a related tangent, what reasons are there not to publicize votes and voters in discussion fora? I think it would be very interesting to be able to identify "voting blocks" and voting patterns on HN. I'm not saying HN should implement that, but it could make for an interesting experimental feature for forum software.