These single downvotes were never followed up by further commentary, and at least one of them looks like a voting-only account with zero posts, so the more I looked the more they just seemed like fuck you votes.

I really don’t think there’s any link to content at all because I did this across multiple communities (whatever I don’t have actively blocked that crosses my feed) and it was largely the same handful of downvoters throughout, but with outliers here and there. I wasn’t taking notes, but when I started to see the same names over and over in wildly disparate communities it seemed less and less likely it had anything to do with content.