I think it may just be bad automated flagging. I vouch'd them since they don't really seem to violate any rules/guidelines (right?)

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himata4113 5 hours ago | parent [-]

Indeed. I've seen it happen before and it appears that they have automatic downvoting based on some criteria, possibly just some classifier. I've attributed it to some bot attack before, but it's a bit too common now.

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dylan604 4 hours ago | parent [-]

Why does it being common downplay the bot attack to you? As time goes on, I'd assume bots activity to increase. I do not see it ever going away.

	▲	himata4113 4 hours ago \| parent [-]
		bots get caught and downvoting requires reputation.