I'm sure I'm not the only person who has been puzzled (and at times a little annoyed) at being downvoted (both questions and answers). At the same time, I accept people's right to do that and I think voting (up and down) should remain anonymous.
This doesn't change the fact, though, that downvoting without leaving a comment is of no benefit to anyone on the site, least of all the author of the post that has been downvoted. And herein lies the problem: How does one provide what could well be useful feedback whilst retaining the right to remain anonymous when downvoting? Unless I'm missing something, I don't think it can be done on History SE.
Shouldn't this be changed to encourage downvoters to leave anonymous comments (but ONLY downvoters can do that)? I guess at least some downvoters don't really have what most other users might consider a good reason for downvoting - so be it. Equally, I suspect that some do have an interesting point to make but are reluctant to do so for fear of being victimized.
There may well be a downside to what I'm suggesting (anonymous comments allowed for downvoters) so I'd be interested to know what others think.