[Itoldmyselfso]

Those downvote campaigns could easily come from bots and not real users.

[skygazer]

In light of that possibility, HN's voting system is probably too rudimentary, private and zero-cost for the modern world. Now I'm not sure if it's naivete, laziness or meant to allow opaque maligned censorship.

[tremon]

Most downvote bots still appear to be observing US office hours though. There's a marked difference in voting patterns between the hours that Australia wakes up and California wakes up versus the rest of the day.