However the fact that all of the Chinese supporting votes showed up at once, and then the others show up slowly is supportive of a group of people working together.
>>btilly+(OP)
I really don't think that's correct. Rather it's the eternal problem that randomness contains sequences that look and feel non-random—these are more likely to get noticed, and then get (over)interpreted to fit a pre-existing narrative.
I don't mean to pick on you personally! Everyone does this.