>Sometimes I'll post replies to day-old threads and find myself downvoted within half an hour. This has also been happening on Reddit threads where people post

>Sometimes I'll post replies to day-old threads and find myself downvoted within half an hour. This has also been happening on Reddit threads where people post comments critical of China. Top level comments are critical, but then far down the thread, low visibility comments suddenly swing aggressively upward or downward by dozens of votes if they relate to China.