Hypothesis: we are the subjects of an experiment.
I seem to recall recent instances of a mysterious mass downvoter that produced several threads of people complaining / trying to figure out what could be done.
What if someone is doing the same thing, but with upvotes, to look for bias in community reactions?
Or they're just trolling. Whichever.
Interesting idea. Though I don't think it's really indicative of any bad sort of bias if people get angrier about gratuitous downvotes than about gratuitous upvotes.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one.
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.