Ranty complaint: Someone always downvotes ONLY my meetup posts with no explanation. (I do not flood the list. My last post included topics for the next NINE meetups). I think whoever-they-are is an asshole.
Seems likely that it could be someone who had a bad experience at one of these meetups, and is trying to punish you for it.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.