I've gotten sufficient evidence from support that voiceofra has been doing retributive downvoting. I've banned them without prior notice because I'm not giving them more chances to downvote.
I'm thinking of something like not letting anyone give more than 5 downvotes/week for content which is more than a month old. The numbers and the time period are tentative-- this isn't my ideal rule. This is probably technically possible. However, my impression is that highly specific rules like that are an invitation to gaming the rules.
I would rather just make spiteful down-voting impossible (or maybe make it expensive) rather than trying to find out who's doing it. Admittedly, putting up barriers to downvoting for past comments doesn't solve the problem of people who down-vote everything, but at least people who downvote current material are easier to notice.
Any thoughts about technical solutions to excessive down-voting of past material?
You mean people willing to say things likely to be true even if it isn't socially acceptable to admit they are. Yes, I can see why people who are uncomfortable with reality would have a problem with that.
People holding similar positions to yours but expressing them in much less dickish ways have included, off the top of my head, Konkvistador (whose total karma is 88% positive), nydwracu (91% positive), Vladimir M (93% positive). Nyan Sandwich and Moss Piglet appear to have deleted their accounts, but I don't recall them being downvoted much either -- nor can I recall many people lamenting the presence of any of said commenters.
For comparison, ... (read more)